Index by Title

(Click on the title to download pdf)

1 - Advances and methods in Isotopic Geology

101 | Poster
40Ar/39Ar Dating of Very Fine-Grained Hydrothermal
Sericite: An Example From Epithermal Belt of Northern
Chile
Arancibia, G. (*) ; Matthews, S.; Pérez de Arce, C.
(*) Servicio Nacional de Geología y Minería
....................................................................................... Página: 6
102 | Oral
The Expanding World of the Shrimp: New Developments
and Future trends
Armstrong, R. (*) ; Holden, P.; Fanning, M.; Williams, I.
(*) The Australian National University
..................................................................................... Página: 10
103 | Poster
New Sm/Nd Technique Using 149Sm/145Nd as a Combined
Spike
Bertotti, A.L. (*) ; Chemale, Jr, F.; Kawashita, K.
(*) IG-UFRGS
..................................................................................... Página: 13
104 | Oral
Geochronology Versus Radiometric Dating: Towards a
South American Commission on Geochronology
Bossi, J. (*)
(*) Facultad de Agronomía
..................................................................................... Página: 16
105 | Poster
Calibration of an Emission Spectrometric
Analyzer in Order to Measure 15N Abundances
Gallegos, E. (*) ; Berbeglia, Y.; Ostera, H.
(*) INGEIS-CONICET-UBA
..................................................................................... Página: 17
106 | Poster
Pb and Sr Isotopic Analyses on Water Samples By Id-
Tims: Stablishing the Analytical Procedures
Martins, V.T.S. (*) ; Babinski, M.; Ruiz, I.R.; Souza, S.; Hirata, R.
(*) Universidad de San Pablo
..................................................................................... Página: 20
107 | Poster
Dating K-Rich Fine-Grained Phyllosilicates from Mafi c
Lithologies. An approach to Constrain the Timing of
Low-Temperature Processes in Central Andes
Morata, D. (*) ; Belmar, M.; Pérez de Arce, C.; Arancibia, G.;
Morales, S.; Carrillo-Rosúa, F.
(*) Dpto. Geología - Universidad de Chile
..................................................................................... Página: 25
108 | Poster
The Role of Zircon Internal Structures in the U-Pb Ages
of Cunhaporanga and Três Córregos Batholiths, Apaí
Domain (Ribeira Belt)- Southern Brazil
Prazeres, H.J. (*) ; Basei, M.A.S.; Nutman, A P.
(*) Universidad de San Pablo
..................................................................................... Página: 29
109 | Poster
Leaching Technique: Alternative Solution for U-Pb
Dating of Overgrown Zircons
Sato, K. (*) ; Siga Jr, O.; Basei, M.A.S.; Sproesser, W.
(*) Universidad de San Pablo
..................................................................................... Página: 34
110 | Poster
Current Methodologies at the Stable Isotope Laboratory
of the federal University of Pernambuco, Brazil
Sial, A. (*) ; Ferreira, V.P.; Bezerra, V.; Santana, G.; Soares, D.
(*) NEG-LABISE, Department of Geology, UFPE
..................................................................................... Página: 38

2 - Crustal evolution of South America

201 | Poster
Nd Isotopes From Yerba Loca Formation (Upper
Ordovician), Cuyania Terrane, Argentina
Abre, P. (*) ; Zimmermann, U.; Cingolani, C.; Cairncross, B.;
Chemale, Jr, F.
(*) University of Johannesburg
..................................................................................... Página: 42
202 | Oral
Provenance and Age of the Sedimentation of the Dom
Feliciano Belt Supracrustal units, Brazil - Uruguay:
Correlations With SW Africa
Basei, M.A.S. (*) ; Frimmel, H.; Nutman, A P.; Preciozzi, F.
(*) Universidad de San Pablo
..................................................................................... Página: 45
203 | Poster
Shrimp-RG U-Pb Zircon Geochronology of Gneiss
from the Rio Crespo Intrusive Suite, SW Amazonian
Craton, Rondonia, Brazil: New insight About Protoloth
Crystallization and Metamorphic Ages
Bettencourt, J.S. (*) ; Payolla, B.; Tosdal, R.; Wooden, J.; Leite Jr,
W.; Sparrenberg, I.
(*) Universidad de San Pablo
..................................................................................... Página: 49
204 | Poster
Provenance Study on "Black Sands": A Case Study from
the Lower Cambrian Fish River Sub-Group (Nama
Group, Namibia)
Blanco, G. (*) ; Zimmermann, U.; Germs, G.J.B.; Gaucher, C.
(*) University of Johannesburg
..................................................................................... Página: 53
205 | Oral
BRAZILIANO-PAN AFRICAN Sm-Nd AND Ar-Ar
DATING RESULTS FROM THE CANINDÉ DO
SÃO FRANCISCO GABBROS - SERGIPANO BELT
-BRAZIL
Brito, R. (*) ; Pimentel, M.M.; Wartho, J.A.; Dantas, E.; Seixas, S.R.;
Morais, L.C.
(*) Geological Survey of Brazil
..................................................................................... Página: 58
206 | Oral
Post-Rhyacian/ Early-Cryogenian of Northeast of South
America. Contribution for Unra Veling of a Multifarious
History
Brito Neves, B.B. (*) ; Dos Santos, E.
(*) Instituto de Geociencias de la Universidad de San Pablo
..................................................................................... Página: 61
207 | Poster
A 590-575 Ma Shrimp U/Pb Zircon Reconnaisance Date
for the Base of the Iporanga Formation, Ribiera Belt, SE
Brazil: Implications for Regional Neoproterozoic Crustal
Evolution and Possibly Timing of a Glaciation
Campanha, G. (*) ; Basei, M.A.S.; Tassinari, C. C. G.; Nutman, A.;
Faleiros, F.
(*) Universidad de San Pablo
..................................................................................... Página: 65
208 | Poster
U/Pb Detrital Zircon Geochronology and Nd Isotopes
from Paleozoic Meta-Sedimentary Rocks of the Marañon
Complex: Insights on the Proto-Andean Tectonic
Evolution of the Eastern Peruvian Andes
Cardona, A. (*) ; Cordani, U.; Ruiz, J.; Valencia, V.; Nutman, A P.;
Sanchez, A.
(*) Universidade do Sao Paulo
..................................................................................... Página: 69
209 | Poster
Nd and Sr Isotope Geochemistry of Grenvillian Massif-Type Anorthosite
from the Western Sierras Pampeanas (Argentina): Magma Sources and
Geotectonic Implications
Casquet, C. (*) ; Galindo, C.; Rapela, C.; Pankhurst, R.; Baldo, E.;
Dahlquist, J.; Fanning, M.; González, J.; Saavedra, J.
(*) Facultad de Ciencias Geológicas. Universidad Complutense de
Madrid
..................................................................................... Página: 73
210 | Oral
Identifi cation and Zircon U-PB Shrimp Dating of the
Green Quarry Schits, Southern San Luis Province,
Argentina
Chernicoff, C. (*) ; Santos, J.; Zappettini, E.; MsNaughton, N.
(*) CONICET
..................................................................................... Página: 77
211 | Poster
Neodymium isotopes, accretionary belts, and their
bearing on the crustal evolution of South America
Cordani, U. (*)
(*) Universidade do Sao Paulo
..................................................................................... Página: 80
212 | Poster
New U-Pb Ages of the Altavista Stock and the San Diego
Gabbro intrusions from the Mesozoic ARC Magmatism
in Colombian Central Cordillera
Correa, M. (*) ; Pimentel, M.M.; Restrepo, J.; Nilson, A.; Ordoñez,
O.; Martens, U.; Laux, J.; Junges, S.
(*) Universidade de Brasilia
..................................................................................... Página: 84
213 | Poster
40Ar/39Ar Geochronology of the Monte de Trigo Island
Alkaline Suite: Implications in the Regional Geodynamic
Context
Enrich, G. (*) ; Ruberti, E.; Gomes, C.; Azzone, R.
(*) Universidad de San Pablo
..................................................................................... Página: 87
214 | Oral
U-Pb and Lu-Hf isotopic Constraints on the Provenance
of Permian Detritus in Metasedimentary Rocks of
Southern Chile and Livingston Island, Antartica
Fanning, M. (*) ; Herve, F.; Yaxley, G.; Pankhurst, R.
(*) The Australian National University
..................................................................................... Página: 9

215 | Poster
Tracking Down the Neoproterozoic Connection Between
Southern Africa and South America - A Revised
Geodynamic Model for SW-Gondwana Amalgamation
Frimmel, H. (*) ; Basei, M.A.S.
(*) University of Wuerzburg
..................................................................................... Página: 94
216 | Oral
The Santa Terezinha Sequence, Goias Magmatic Arc,
Central Brazil: Constraints from U-Pb and Sm-Nd Data
Fuck, R. (*) ; Dantas, E.; Pimentel, M.M.; Laux, J.; Junges, S.;
Liveira, C.; De Sordi, D.; Chiarini, M.
(*) Universidade de Brasilia
..................................................................................... Página: 98
217 | Poster
Isotopic Signature of Late-Magmatic ARC to Post-
Collisonal Magmatism in the Vila Nova Belt, Southern
Brazil
Garavaglia, L. (*) ; Koester, E.; Bitencourt, M.; Nardi, L.
(*) UFRGS
................................................................................... Página: 101
218 | Oral
Thermal History at the Mantiqueira Province, Southeastern
Brasil: Modeling With Fission Track on Zircon
Hackspacher, P. (*) ; Tello, S.
(*) IGCE/UNESP
................................................................................... Página: 105
219 | Oral
Geochronology of Granitoids in the Tierra
Colorada Area, Guerrero: Its Signifi cance
in the Tectonic Evolution of Southern Mexico
Hernández, G. (*) ; Solari, L.; Torres, R.
(*) Universidad Nacional Autónoma de México
................................................................................... Página: 108
220 | Poster
New K-Ar ages in Sierra de los Rios Formation,
Northeastern Uruguay
Loureiro, J. (*) ; Wemmer, K.; Sánchez Bettucci, L.
(*) Facultad de Ciencias
....................................................................................Página: 113
221 | Oral
Time Constraints for the Tectonic Evolution of the SW
Corner of the North Patagonian Massif, Argentina
López, M. (*) ; Cerredo, M.; Wemmer, K.
(*) INGEIS-CONICET-UBA
....................................................................................Página: 114
222 | Oral
Cooling Ages Constraints on the Tectonic Activity of the
Los Túneles Shear Belt, Eastern Pampean Ranges of
Córdoba, Argentina
Martino, R. (*) ; Guereschi, A.; Wemmer, K.; López, M.; Steenken,
A.; Siegesmund, S.
(*) Universidad Nacional de Córdoba
.................................................................................... Página: 119
223 | Poster
Calc-Alkaline magmatism in a Low Pressure High
Temperature Neoproterozoic Terrane, SE Brazil: New
U-Pb Data
Mendes, J. (*) ; Da Silva, R.; Monteiro, H.; Pereira, I.; Dantas, E.
(*) Universidade Federal do Río de Janeiro
................................................................................... Página: 123
224 | Poster
Collahuasi formation in northern Chile: geochronological
evidence of magmatic activity on the Western border of
Gondwana
Munizaga, F. (*) ; Maksaev, V.; Fanning, M.; Giglio, S.; Tassinari, C. C. G.
(*) Dpto. Geología - Universidad de Chile
................................................................................... Página: 126
225 | Poster
U-Pb (La-ICP-Ms) Ages on Detrital Zircons from
Angacos Limestone Siliciclastic Levels (Caucete Group)
San Juan Province, Argentina: Provenance Implications
in Cuyania Terrane
Naipauer, M. (*) ; Cingolani, C.; McClelland, W.; Vujovich, G.; Ellis,
J.
(*) Fundación YPF
................................................................................... Página: 127
226 | Poster
The Fé granitic Gneiss, in the Central Part of the
Paleoproterozoic mineiro Belt, SW Sao Francisco Craton:
U-Pb Geochronology, Sm-Nd Isotopic Geochemistry and
Tectonic implications
Nunes, L. (*) ; Teixeira, W.; Ávila, C.
(*) Universidad de San Pablo
................................................................................... Página: 131
227 | Poster
New U/Pb and Sm/Nd Geochronological Data of
Palaeoproterozoic Orthogneiss and Amphibolite (Serra
Negra Unit) from the Amparo Basement Complex,
Southeastern, Brazil
Oliveira, M. (*) ; Lazarini, A.; Zanardo, A.; Dantas, E.
(*) Universidade Estadual Paulista
................................................................................... Página: 135
228 | Poster
Sm-Nd Isotopic Geochemistry, U-Pb and 40AR/39AR
Geochronology of Serra do Macaco Pluton: A Two-
Mica Bearing Peraluminous Granitic magmatism in
the Pernambuco-Alagoas Tectonic Domain, Borborena
Province, Ne Brazil
Osako, L. (*) ; Silva Filho, A.; Castro, N.; Basei, M.A.S.
(*) Universidad de San Pablo
................................................................................... Página: 139
229 | Poster
Temporal Evolution of Magma Surces in Miocene
Magmatism, Southern Mendoza, Argentina
Ostera, H. (*) ; Haller, M.; Macambira, M.; Ramos, A.; Cagnoni, M.;
López, M.; Linares, E.
(*) INGEIS-CONICET-UBA
................................................................................... Página: 144
230 | Poster
Age and Geochemical Signature of post-Collisional
Plutons of the Southern Extreme of the Dom Feliciano
Belt (Uruguay)
Oyhantçabal, P. (*) ; Siegesmund, S.; Wemmer, K.; Naumann, R.
(*) Facultad de Ciencias
................................................................................... Página: 148
231 | Poster
K/Ar Geochronology og the Mosquitos Shear Zone
(Piedra Alta Terrane - Río de la Plata Craton - Uruguay)
Oyhantçabal, P. (*) ; Wemmer, K.; Siegesmund, S.; Sportuno, J.
(*) Facultad de Ciencias
................................................................................... Página: 149
232 | Poster
Timing of the Sierra Ballena Transcurrent Shear Zone
in the Southern Extreme of the Dom Feliciano Belt
(Uruguay)
Oyhantçabal, P. (*) ; Siegesmund, S.; Frei, R.; Wemmer, K.; Layer, Paul
(*) Facultad de Ciencias
................................................................................... Página: 150
233 | Poster
Calc-Alkaline to Alkaline Syntectonic Granites of the
Major Gercino Shear Zone, Santa Catarina State, Brazil
Passarelli, C.R (*) ; Basei, M.A.S.; Wemmer, K.; Mc Reath, I.; Siga
Jr, O.
(*) Instituto de Geociências
................................................................................... Página: 151
234 | Poster
Geochronologic Synthesis of the Piedra Alta Terrane,
Uruguay
Peel, E. (*) ; Preciozzi, F.
(*) Facultad de Ciencias - Departamento de Evolución de Cuencas,
sección Recursos Hídricos Subterráneos y Geoquímica
................................................................................... Página: 155
236 | Poster
Isotopic Data of the Morro do Pao Granitoid, Ribiera
Belt, Southern Brazil
Ragatky, D. (*) ; Tupinambá, M.; Paschoal, B.; Tassinari, C. C. G.
(*) Rio de Janeiro State University
................................................................................... Página: 159
237 | Oral
Meso-neoproterozoic sources for the Andean mobile belts
Rapela, C. (*) ; Pankhurst, R.; Fanning, M.
(*) Centro de Investigaciones Geológicas - UNLP
................................................................................... Página: 161
238 | Oral
Morro do Lopes granites: Palaeoproterozoic Alkaline
Magmas and their Signifi cance for Serrinha Nucleus
Evolution, Northeastern Bahia, Brazil
Rios, D. (*) ; Conceiçao, H.; Davis, D.; Rosa, M.; Macambira, M.;
Peixoto, A.; Marinho, M.
(*) Bahia Federal University
................................................................................... Página: 162
239 | Poster
U-Th-Pb (EPMA) Monazite and
Zircon Pb-Pb Geochronology of
the Transamazonian High-Grade
Metamorphism in the Archean Amapá
Block (Brazil), Southeastern Guiana Shield
Rosa-Costa, L. (*) ; Lafon, J.; Cocherie, A.; Delor, C.
(*) Superintendencia de Belem
................................................................................... Página: 165
240 | Poster
U-Pb Ages of Komatiitic Rocks From Sierra de San Luis,
Argentina
Sato, A. (*) ; González, P.; Basei, M.A.S.; Llambías, E.
(*) Centro de Investigaciones Geológicas - UNLP
................................................................................... Página: 169
241 | Oral
Re-Os isotope constraints on subcontinental
lithospheric mantle evolution of Southern
South America
Schilling, M. (*) ; Carlson, R.; Koester, E.; Conceicao, R.; Bertotto,
G.; Dantas, C.
(*) Universidad de Chile
................................................................................... Página: 174
242 | Poster
Origin of a Late-Neoproterozoic
Volcano-Sedimentary High Grade Sequence
in Se Brazilian Coast - Geochemistry and
Sm-Nd Data
Schmitt, R. (*) ; Medeiros, S.; Da Silva, G.; Johannes, R.
(*) Universidade Estadual Do Río de janeiro
................................................................................... Página: 179
243 | Poster
Unspike K-AR Datings for the Backarc Volcanism of the
Somuncura Province and Adjacent Areas, Río Negro,
Argentina
Sichel, S. (*) ; Dias, F.; Aires, J.
(*) LAGEMAR - UFF
................................................................................... Página: 183
244 | Poster
Geochronology of the Itaiacoca Belt (Paraná-Brazil):
Tectonic Implications
Siga Jr, O. (*) ; Basei, M.A.S.; Passarelli, C.R; Sato, K.; Prazeres,
H.J.; Cury, L.; Harara, O.; Reis, J.; Basei, G.
(*) Universidad de San Pablo
................................................................................... Página: 186
245 | Oral
Long Lasting High Temperature Metamorphism
in the Sierra de San Luis and its relation
to the amalgamation of the Cuyania
Terrane (Argentina)
Steenken, A. (*) ; López, M.; Siegesmund, S.; Frei, R.; Wemmer, K.
(*) INGEIS-CONICET-UBA
................................................................................... Página: 190
246 | Oral
A Shrimp U-Pb Zircon Late Miocene Crystallization Age
for the Torres del Paine Pluton, Chile
Sánchez, A. (*) ; Saint Blanquat, M.; Herve, F.; Pankhurst, R.; Fanning, M.
(*) Universidad de Chile
................................................................................... Página: 195
247 | Oral
Constrains on the termochronological Evolution of Ribera
Fold Belt, se Brasil: Evidence for long-Term Elevated
Geothermal Gradient of Neoproterozoic Orogenies
Tassinari, C. C. G. (*) ; Munhá, J.; Dias Neto, C.; Santos, T.;
Cordani, U.; Nutman, A P.; Fonseca, P.
(*) Instituto de Geociencias da Universidade de Sao Paulo
................................................................................... Página: 199
248 | Poster
Mantle Isotopic Characteristics Below the SW
Amazonian Craton: U-Pb 40AR/39AR and Nd-Sr Evidence
from Mesoproterozoic Mafi c-Felsic Plutonic Rocks
Teixeira, W. (*) ; Bettencourt, G.; Rizzotto, G.; Girardi, V.; Onoe, A.;
Sato, K.
(*) Universidad de San Pablo
................................................................................... Página: 203
249 | Poster
Geochronologic Correlations Between Paleo and
Mesoproterozoic Orogens in Brazil and Bolivia, SW
Amazonian Craton
Vargas, G. (*) ; Geraldes, M.C.; Matos, R.; Teixeira, W.
(*) Universidade de Estado do Río de Janeiro
................................................................................... Página: 206
250 | Poster
Shrimp U-Pb Ages for Granitoids from
Bacajá Domain, Southeastern Amazonian
Craton, Brazil; New Evidence of Siderian
Accretion
Vasquez, M. (*) ; Macambira, M.; Armstrong, R.
(*) Geological Survey of Brazil
................................................................................... Página: 209
251 | Poster
Provenance analysis of Paleozoic sedimentary successions
at Salar de Rincón (NW Argentina) - evidence of crustal
recycling at the SW Gondwana margin
Zimmermann, U. (*) ; Sial, A.; Bahlburg, Heinrich
(*) University of Johannesburg
................................................................................... Página: 213

3 - Chemostratigraphy and temporal isotopic variations

301 | Poster
Nereites Saltensis (Trace Fossil): A Taxonomical
Reevaluation of Type and Additional Material from the
Puncoviscana Formation of NW Argentina (Ediacaran-
Early Cambrian)
Aceñolaza, G. (*) ; Aceñolaza, F.
(*) Universidad Nacional de Tucumán
................................................................................... Página: 218
302 | Oral
Neoproterozoic glacial Events in the Amazon Craton and
in the Paraguay Belt
Alvarenga, C.J.S. (*) ; Dardenne, M.; Della Giustina, M.; Santos, R.;
Dantas, R.; Pimentel, M.M.; Sial, A.
(*) Universidade de Brasilia
................................................................................... Página: 221
303 | Poster
Chronology of Neoproterozoic Ice Ages in Central Brazil
Babinski, M. (*) ; Trindade, R.I.F.; Alvarenga, C.J.S.; Boggiani, P.C.;
Liu, D.; Santos, R.; Brito Neves, B.B.
(*) Universidad de San Pablo
................................................................................... Página: 223
304 | Poster
Banded Iron Formation (Bif) Associated with Glacial
Sediments of the Puga Formation (Marinoan) in the
Serra da Bodoquena (Mato Grosso do Sul, Brazil)
Boggiani, P.C. (*) ; Piacentini, T.; Fairchild, T.; Yamamoto, J.K.;
Campanha, G.; Sá, F.; Zuquim, M.
(*) Instituto de Geociências
................................................................................... Página: 227
305 | Poster
ä13C, ä18O and 87Sr/86Sr of Early Callovian Limestones
from Cuenca Neuquina
Cagnoni, M. (*) ; Ramos, A.; Valencio, S.; Panarello, H.; Armella, C.;
Cabaleri, N.
(*) Instituto de Geocronología y Geología Isotópica, Pabellón
INGEIS
................................................................................... Página: 230
306 | Poster
First Carbon and Oxygen Isotopic Analyses of
Carbonates from the San Gregorio and Melo Formations
(Carboniferous-Permian, Parana Basin, Uruguay):
Palaeoenvironmental Implications
Cernuschi, F. (*) ; Gaucher, C.; Sial, A.; Beri, A.
(*) Facultad de Ciencias
................................................................................... Página: 235
307 | Poster
Chemostratigraphy (C,O and Sr) of Ediacaran post-
Glacial Carbonates of Paraguay Belt, Mato Grosso, Brazil
Figueiredo, M. (*) ; Babinski, M.; Alvarenga, C.J.S.; Pinho, F.;
Simon, C.
(*) Universidad de San Pablo
................................................................................... Página: 240
308 | Oral
South America's Oldest Fossils: Isotopic Evidences of a
Neoarchean Age for Stromatolitic Carbonates of the Nico
Pérez Terrane, Uruguay
Gaucher, C. (*) ; Sial, A.; Castiglioni, E.; Ferreira, V.; Campal, N.;
Schipilov, A.; Kawashita, K.
(*) Facultad de Ciencias
................................................................................... Página: 245
309 | Oral
Chemostratigraphy of the Mina Verdún Group and
Other Cement-Grade Proterozoic Limestone Deposits in
Uruguay
Gaucher, C. (*) ; Sial, A.; Poiré, D.; Cernuschi, F.; Ferreira, V.;
Chiglino, L.; González, P.; Martínez, G.; Pimentel, M.M.
(*) Facultad de Ciencias
................................................................................... Página: 250
310 | Poster
The Geochronological Signifi cance of Tonsteins in Coal-
Bearing Strata From the Southern Paraná Basin, Brazil
Guerra-Sommer, M. (*) ; Santos, J.; Cazzulo-Klepzig, M.; Hartmann,
L.; Menegat, R.; McNaughton, N.
(*) UFRGS
................................................................................... Página: 254
311 | Poster
The origin and paleoenvironmental signifi cance of
stratabound barites from the mesoarchean fi g tree group,
barberton mountainland, South Africa
Gutzmer, J. (*) ; Banks, D.; de Kock, M.O.; McClung, C.R.; Strauss,
H.; Mezger, K.
(*) University of Johannesburg
................................................................................... Página: 258
312 | Poster
Evidence of glacially-infl uenced deposits in the
Neoproterozoic (Zanja del Tigre Formation)
of Uruguay
Loureiro, J. (*) ; Sánchez Bettucci, L.; Pazos, P.; Sánchez, G.;
Stareczek, S.
(*) Facultad de Ciencias
................................................................................... Página: 262
313 | Oral
ä13C and 87Sr/86Sr of Phosphorites from Neoproterozoic
Sequences of the Sao Francisco Craton, Brazil:
Phosphogenesis and Correlations
Misi, A. (*) ; Sánches, A.; Kaufman, A.; Veizer, J.; Azmy, K.; Powis,
K.; Teixeira, J.
(*) Universidade Federal de Bahía
................................................................................... Página: 263
314 | Oral
Paleoenvironments in the Subtropical Northeastern as
deduced from Stable carbon Isotopes composition of
Ferrallitic Soils
Morrás, H. (*) ; Moretti, L.; Glaser, B.; Hatté, C.; Zech, W.
(*) INTA-CIRN
................................................................................... Página: 267
315 | Oral
Carbon, Oxigen and Strontium Isotopes Studies of the
Carbonate Rocks of the Araguaia Belt, Brazil
Moura, C. (*) ; Costa, N.; Feio, G.; Nogueira, A.; Scheller, T.;
Galarza, M.; Martins, P.
(*) Universidade Federal do Pará
................................................................................... Página: 271
316 | Poster
First C and O Isotopic Data for the Piedras de Afi lar
Formation (Tandilia Terrane, Uruguay): Their Bearing
on its Correlation and Age
Pamoukaghlian, K. (*) ; Gaucher, C.; Bossi, J.; Sial, A.; Poiré, D.
(*) CONICET-UNLP
................................................................................... Página: 277
317 | Poster
Stable Isotopic results from the Neoproterozoic
Sirohi Group, NW India: Contraints on Paleocliamtic
Characteristics
Pandit, M.K. (*) ; Sharma, K.; Sial, A.; Ferreira, V.
(*) Universidad de Rajasthan
................................................................................... Página: 281
318 | Poster
Digitate Columnar Stromatolites from Proterozoic
Dolostones of Gibraltar Formation, Mina Verdún Group,
Uruguay
Poiré, D. (*) ; Canessa, Néstor D.; García Repeto, Flavio; Canalicchio,
José M.
(*) CONICET-UNLP
................................................................................... Página: 284
319 | Poster
First Isotopic Analyses in Vertebrate Fossils from Bauru
Basin, Neocretaceous, Brasil
Quaglio, F. (*) ; Pires, R.
(*) Universidad de San Pablo
................................................................................... Página: 287
320 | Poster
Paleotemperatures During the Oligocene in the King
George Island, West Antartica: Preliminary Results
Quaglio, F. (*) ; Santos, P.R dos
(*) Universidad de San Pablo
................................................................................... Página: 290
321 | Poster
The Carbon and Oxygen isotopes of Post-Marinoan
Outer Platform Carbonates, Paraguay Belt, Central
Brazil
Riccomini, C. (*) ; Nogueira, A.; Sial, A.
(*) Universidad de San Pablo
................................................................................... Página: 294
322 | Oral
Shrimp U-Pb Zircon Geochronological Calibration of the
Late Paleozoic Supersequence, Paraná Basin, Brazil
Rocha, A.C. (*) ; Basei, M.A.S.; Nutman, A P.; Santos, P.R dos
(*) Instituto de Geociências
................................................................................... Página: 298
323 | Poster
Oxygen and Carbon Stable isotopes in Continental
and Shalow Marine Deposits of the Salta
Basin (Neocomian-Eocene), Northwestern
Argentina
Sabino, I. (*) ; Sial, A.; Marquillas, R.; Del Papa, C.; Ferreira, V.;
Novara, M.
(*) Universidad Nacional de Salta
................................................................................... Página: 302
324 | Poster
Chemostratigraphic Profi le of the Proterozoic Barroso
limestone, Southern Minas Gerais, Brazil
Senra, A. (*) ; Sial, A.; Paciullo, F.; Ribeiro, A.
(*) Universidade Federal do Río de Janeiro
................................................................................... Página: 306
325 | Poster
Lomagundi Carbon Isotope Anomaly in Paleoproterozoic
Carbonates of Brazil and Uruguay
Sial, A. (*) ; Ferreira, V.P.; Gaucher, C.; Bossi, J.; Hartmann, L.;
Toselli, A.J.; Parada, M.A.; Romano, A.W.; Noce, C.M.; Wildner,
W.
(*) NEG-LABISE, Department of Geology, UFPE
................................................................................... Página: 310
326 | Oral
Chemostratigraphy of Two Neoproterozoic Cap
Carbonates from the Sergipano Belt (Northeastern
Brazil)
Sial, A. (*) ; Ferreira, V.P.; Silva, M.; Gaucher, C.; Soares, D.;
Pimentel, M.M.; Lacerda, D.; Silva, E.; Gantois, G.
(*) NEG-LABISE, Department of Geology, UFPE
................................................................................... Página: 314
327 | Oral
C-Isotope Stratigraphy of Some Edicaran-Cambrian
Carbonate Sucessions in NW Gondwana
Silva, J. (*) ; Sial, A.; Ferreira, V.; Arenas, J.E.; Jimenez, D.M.
(*) University of Bern
................................................................................... Página: 318
328 | Poster
FORAMNIFERA AS RECORD FOR PRESENT-DAY
OCEAN WATER Sr COMPOSITION ; PROCEDURES
AND MASS SPECTROMETRY
Machado, M. C. (*) ; Kawashita, K.; Chemale, Jr, F.; Costa, K. B.;
Toledo, F.
(*) Laboratório de Geologia Isotópica, IG-UFRGS, CP 15001, Porto
Alegre, 91501-970, Brazil
................................................................................... Página: 322

4 - Isotopic studies applied to petrology

401 | Poster
The Use of U-Isotopes Modelling to Evaluate Weathering
Rate at the Morro do Ferro, Poços de Caldas Plateau
(MG), Brazil
Bonotto, D. (*) ; Fujimori, K.; Moreira-Nordemann, L.
(*) Instituto de Geociencias e Ciencias Exatas - UNESP
................................................................................... Página: 328
402 | Poster
Geothermal Copahue Volcano System, Argentina. New
Stable isotope and Geochemical Data
Caselli, A. (*) ; Dapeña, C.; Agusto, M.; Delgado, A.
(*) Departamento de Ciencias Geológicas, Facultad de Ciencias
Exactas y Naturales, Universidad de Buenos Aires
................................................................................... Página: 332
403 | Oral
Nd - Sr Isotopes and trace Element Constraint on the
Source of the Basaltic Sills from Southern Paraná
Magmatic Province, Morungava region, Brazil
Charao, J. (*) ; Chemale, Jr, F.; Santana Correia de Brito, R.; Frantz,
J.; Wildner, W.; Cotta Rost, M.
(*) IG-UFRGS
................................................................................... Página: 337
404 | Oral
AFC Modeling (Sr-Nd-O and race Elements) for the
High-TiO2 Suite of the Serra do Mar Dyke Swarm, Río de
Janeiro
Corval, A. (*) ; Valente, S.; Dutra, T.; Duarte, B.; Heilbron, M.;
Szatmart, P.
(*) Uniersidade do Río de Janeiro
................................................................................... Página: 342
405 | Oral
Magma Sources of Mafi c Dyke Swarms from Central
Chile (30º00` - 33º30` S) and its Relation with Coeval
Mesozoic Plutonism
Creixell, C. (*) ; Parada, M.A.; Morata, D.; Arriagada, C.; Pérez de
Arce, C.
(*) Dpto. Geología - Universidad de Chile
.....................................................................................Página: 345
406 | Poster
Barren Igneous Intrusives in the Central Andes: U/Pb
geochronology and Nd-Hf Isotope Geochemistry
Deckart, K. (*) ; Godoy, E.
(*) Departamento de Geología, Universidad de Chile
................................................................................... Página: 349
407 | Oral
Isotopic Characterization of Fluid Types Associated With
Rapid, Near-Surface Lithifi cation of Fine-Grained, Coolwater
Carbonates, New Zealand: Geological Signifi cance
for longer Term Temporal Variation
Dix, G. (*) ; Nelson, C.
(*) Ottawa-Carleton Geoscience Centre, and Department of Earth
Sciences, Carleton University, Ottawa, Canada K1S 5B6
................................................................................... Página: 352
408 | Oral
Geochemical Modelling for the Low-TiO2 Basalts (The
Costa Azul Suite) in the Eastern portion of the Serra
do Mar Dyke Swarm, Río de Janeiro: Evidence for the
Contribution of a Depleted mantle Source
Dutra, T. (*) ; Valente, S.; Corval, A.; Duarte, B.; Heilbron, M.;
Szatmart, P.
(*) Uniersidade do Río de Janeiro
................................................................................... Página: 355
409 | Poster
Isotope Geochemistry of Monte de Trigo Island Alkaline
Suite: Mantle Source Characterization
Enrich, G. (*) ; Ruberti, E.; Gomes, C.; Azzone, R.; Tassinari, C. C.
G.
(*) Universidad de San Pablo
................................................................................... Página: 358
410 | Poster
Sr and Nd Isotopes of Contrasting
Calc-Alkalic Granites in the Easternmost
Alto Pajéu Terrane, NE Brazil, and Implications
for their Origin
Ferreira, V.P. (*) ; Sial, A.; Cunha, A.; Pimentel, M.M.; Brito Neves,
B.B.; Brasilino, R.
(*) Departamento de Geologia, UFPE
................................................................................... Página: 362
411 | Poster
O and H Isotopes as Fluid Tracers in High-Grade
Metamorphic Sequences: Preliminary Data from the
Eastern Andrelandia Nappe System, SE Brasil
Garcia, M.G.M. (*) ; Bettencourt, J.S.; Campos, M.C.; Fallick, A.E.
(*) Universidad de San Pablo
................................................................................... Página: 365
412 | Poster
Multiple Magma Batches in the Construction of the
Granite Pluton, Lavras do Sul Intrusive Complex,
Southern Brazil: Sr-Nd Isotopic and Geochemical
Evidences
Gastal, M. (*) ; Lafon, J.
(*) UFRGS
................................................................................... Página: 370
413 | Poster
Sr-Nd Isotopic Study of Selected Paleo and
Mesoproterozoic Mafi c Intrusions from Cratonic Areas of
Brazil and Uruguay: Inferences on Their Mantle Sources
Girardi, V. (*)
(*) Instituto de Geociencias da Universidade de Sao Paulo
................................................................................... Página: 375
414 | Oral
Crustal Contamination in the Niquelandia Complex,
Central Goias, Brazil: Sr-Nd Isotopes and trace-Element
Geochemistry
Girardi, V. (*) ; Rivalenti, G.; Correia, C.; Tassinari, C. C. G.; Munhá,
J.; Mazzucchelli, M.; Bertotto, G.
(*) Instituto de Geociencias da Universidade de Sao Paulo
................................................................................... Página: 378
415 | Poster
Age of the Eastern Paraguay Alkaline Magmatism
Gomes, C. (*) ; Velázquez, V.; Comin-Chiaramonti, P.
(*) Universidad de San Pablo
................................................................................... Página: 381
416 | Poster
A Review of the Carbonatitic Magmatism in the Paraná-
Angola-Namibia Province
Gomes, C. (*) ; Comin-Chiaramonti, P.; Ruberti, E.; Azzone, R.
(*) Universidad de San Pablo
................................................................................... Página: 386
417 | Poster
Origin of postglacial "mafi c" ignimbrites at Llaima and
Villarrica volcanoes (southern Andes, Chile): assimilation
of plutonic rocks as one of the triggering factors?
Lohmar, S. (*) ; Parada, M.A.; Robin, C.; Gerbe, M.; Deniel, C.;
Gourgaud, A.; López, L.; Moreno, H.; Naranjo, J.
(*) Departamento de Geología, Universidad de Chile
................................................................................... Página: 390
418 | Poster
Sm-Nd Isotopy in Northwestern Deseado Massif
Province, Southern Argentinean Patagonia: Implication
in the Jurassic Volcanism Genesis
Lopez, R. (*) ; Guido, D.; Tassinari, C. C. G.; Schalamuk, I.
(*) UNLP
................................................................................... Página: 395
419 | Poster
Hyaloclastic Rocks at the Playa Hermosa Formation
Loureiro, J. (*) ; Sánchez Bettucci, L.; Pazos, P.; Sánchez, G.;
Stareczek, S.
(*) Facultad de Ciencias
................................................................................... Página: 397
420 | Oral
Lead Isotope Constraints on Mantle Sources Involved
in the Genesis of Mesozoic High-Ti Tholeiitic Dykes
(Urubici Type) from Sao Francisco Craton (Southern
Espinhaço)
Marques, L. (*) ; Rosset, A.; De Min, A.; Babinski, M.; Ruiz, I.R.;
Piccirillo, E.
(*) Universidad de San Pablo
................................................................................... Página: 399
421 | Poster
Sm - Nd Characteristics of the Diamantina Granitoid,
Rondonian-San Ignacio Province - Bolivian Eastern
Precambrian Shield
Matos, R. (*) ; Teixeira, W.; Sato, K.; Geraldes, M.C.
(*) Instituto de Geología Económica y del Medio Ambiente,
Universidad Mayor de San Andrés,Campus Universitario Cota Cota
................................................................................... Página: 403
422 | Poster
Pb Isotopes from la Modesta Formation, Deseado Massif,
Argentina
Moreira, P. (*) ; González, .; Fernández, R.; Rolando, P.
(*) UNLP-CONICET
................................................................................... Página: 406
423 | Poster
Sr, Pb and Nd Isotopic Signature of Calc-Alkaline
Porphyry Dykes from the Sierra Norte-Ambargasta
Batholith, Eastern Sierras Pampeanas, Argentina
O`Leary, M. S. (*) ; Tassinari, C. C. G.; Lira, R.
(*) CONICET-CIMAR
................................................................................... Página: 408
424 | Poster
Isotopic Data (Sr, Nd, C, O) from Nepheline and Sodalite
Syenites of the Itarantim Batholith: South Bahia Alkaline
Province (Ne Brazil)
Rosa, M. (*) ; Conceiçao, H.; Moura, C.; Macambira, M.; Rios, D.;
Marinho, M.
(*) Bahia Federal University
................................................................................... Página: 412
425 | Poster
Contribution to the Age of the Somún Curá post-Plateau
Events. Extra Andean Argentinean Patagonia
Salani, F. (*) ; Remesal, M.; Cerredo, M.; Franchi, M.; Ardolino, A.
(*) Depto. De Ciencias Geológicas - UBA
................................................................................... Página: 415
426 | Poster
U-Th Isotopic Systematics of Sao Pedro-Sao Paulo Rocks:
indication for Alteration Processes by Sea Water
Santos, R. (*) ; Marques, L.; Hollanda, M.; Ferreira, C.
(*) Universidad de San Pablo
................................................................................... Página: 420
427 | Poster
Evidence for a multi mantle source for the basalts of the
Rio do Rastro scarp, Paraná Province, based on Os and
Sr isotopes and trace elements.
Vargas, T. (*) ; Sichel, S.; Motoki, A.; Araújo, A.
(*) UERJ
................................................................................... Página: 424
428 | Poster
Origin of Holocene Beachrock Cements in Northeastern
Brazil Revealed from Carbon and Oxygen Isotopes
Vieira, M. (*) ; Sial, A.; de Ros, L.
(*) Universidade Federal do Río Grande do Norte
................................................................................... Página: 426

5 - Isotopic studies applied to environmental geology and water resources

501 | Oral
U-Ages in Groundwater from Guarani Aquifer
Evidencing Wet Periods at 600,000 Years Ago in
Southeast Brazil
Bonotto, D. (*)
(*) Instituto de Geociencias e Ciencias Exatas - UNESP
................................................................................... Página: 432
502 | Poster
Radionuclides Supply by Sugar Cane Crops at
Corumbataí River Basin, Sao Paulo State, Brazil
Conceiçao, F. (*) ; Bonotto, D.; Jiménez-Rueda, J.
(*) Unidade Diferenciada Sorocaba Iperó - UNESP
................................................................................... Página: 436
504 | Poster
Temporal Pb Isotopic Variation in Aerosols from Sao
Paulo City, Brazil: Preliminary Data
Gioia, S.M.C.L. (*) ; Babinski, M.
(*) Instituto de Geociencias da Universidade de Sao Paulo
................................................................................... Página: 440
505 | Poster
Validation of the Recharge of the Raigon Acuifer by
Means of the Use of Tritium
Gorfain, J. (*) ; Postiglione, M.; Roma, M.; Bico, J.; Peel, E.
(*) Dirección Nacional de Hidrografía - MTOP
................................................................................... Página: 445
506 | Oral
Sulfur and Carbon isotope investigation for Assessing
Natural Attentuation in a Hydrocarbon Contamitated
Urban Aquifer
Knoeller, K. (*) ; Schubert, M.
(*) UFZ Centre for Environmental Research
................................................................................... Página: 448
507 | Poster
Vertical Distributon of Radioactivity in a Soil Layer at
the City of Sao Paulo, Brazil
Oliveira, D. (*) ; Ribeiro, F.
(*) Universidad de San Pablo
................................................................................... Página: 451
508 | Poster
Isotope and Geochemical Evidences on the Evolution of
Landfi lls, Bariloche, Argentina
Ostera, H. (*) ; Cordero, R.; Valencio, S.; Panarello, H.; Villarosa, G.
(*) INGEIS-CONICET-UBA
................................................................................... Página: 454
509 | Poster
Importance of the isotopic composition in the verifi cation
of Raigon Acuifer System recharge mechanism
Postiglione, M. (*) ; Gorfain, J.
(*) Dirección Nacional de Hidrografía - MTOP
................................................................................... Página: 457
510 | Poster
ä13C and Co2 Fluxes from a Landfi ll: Gualeguaychú,
Entre Ríos Province, Argentina. Preliminary report
Sanci, R. (*) ; Ostera, H.; Cagnoni, M.; Pnarello, H.
(*) Instituto de Geocronología y Geología Isotópica, Pabellón
INGEIS
................................................................................... Página: 461
511 | Oral
The Use of Radon-222 as a Naturally Occurring tracer
for residual NAPL-Contamination of Aquifers
Schubert, M. (*) ; Lau, S.; Knoeller, K.
(*) UFZ Centre for Environmental Research
................................................................................... Página: 464
512 |
Stable Isotope Trends of Water and Water-Soluble
Sulfate from the active Tailings Impoudment Carén,
Chile
Smuda, J. (*) ; Spangenberg, J.; Dold, B.
(*) University of Lausanne
................................................................................... Página: 467
513 |
Hydrogen and Oxygen Isotopic Ratios of Waters in Mine
Tailings
Spangenberg, J. (*) ; Dold, B.; Vogt, M.
(*) University of Lausanne
................................................................................... Página: 471

6 - Isotopic studies in mineral and oil exploration

601 | Poster
Sm/Nd and K-Ar Data from W-Bearing Amphibolites
of Eastern Pampean Ranges, San Luis and Cordoba,
Argentina
Brodtkorb, M. (*) ; Ostera, H.; Pezzutti, N.; Tassinari, C. C. G.
(*) FCEN - UBA
................................................................................... Página: 478
602 | Poster
Sulfur Isotope Studies in Chilean "Manto" - Type CU-
(AG) Deposits in the Coastal Range of Central Chile
Carrillo-Rosúa, F. (*) ; Morales, S.; Morata, D.; Boyce, A.; Belmar,
M.; Fallick, A.E.; Fenoll, P.; Munizaga, F.
(*) Dpto. Mineralogía y Petrología, Fac. Ciencias, Universidad de
Granada
................................................................................... Página: 483
603 | Poster
Phosphorus-Uraniferous Mineralization at Itataia (Ceará
State, Brazil): Geological Aspects and 40Ar/39Ar Age
Castro, N. (*) ; Basei, M.A.S.; Onoe, A.
(*) Universidad de San Pablo
................................................................................... Página: 488
604 | Poster
Cretaceous and Miocene Molybdenite Re-Os and Shrimp
Zircon U-Pb Ages for Intrusive Bodies in the Chilean
North Patagonian Andes
Duhart, P. (*) ; Barra, F.; Muñoz, J.; Nutman, A.; Ruiz, J.; Tassinari,
C. C. G.
(*) Chilean Geological and Mining Survey
.....................................................................................Página: 492
605 | Poster
Stable isotope (O,H,C,S) Studies on the Pontes e Lacerda
Gold Deposits, SW Amazonian Craton, Brazil
Geraldes, M.C. (*) ; Xavier, R.; Iyer, S.; Taylor, B.
(*) Facultade de Geología - UERJ
................................................................................... Página: 496
606 | Poster
Stable (O, H, C, S) and Radiogenetic (Pb) Isotopes
Evidence for the Genesis of Ortogenic Gold Deposits of
the Gurupi Belt, Brazil
Klein, E. (*) ; Moura, C.; Harris, C.
(*) CPRM/Geological Survey of Brazil
................................................................................... Página: 500
607 | Poster
Oxygen Isotopic Composition of Uraninites
Linares, E. (*)
(*) Instituto de Geocronología y Geología Isotópica, Pabellón
INGEIS
................................................................................... Página: 504
608 | Poster
Metals and Fluid Source Using PB Isotopes in Eureka-
La Marina Jurassic Epithermal Deposit, Northwestern
Deseado Massif, Argentinean Patagonia
Lopez, R. (*) ; Tassinari, C. C. G.; Guido, D.; Schalamuk, I.;
Babinski, M.
(*) UNLP
................................................................................... Página: 508
609 | Poster
Radiogenetic and Stable isotopes vidence of the Fluids
Forming the Fluorite Mineralization in Pto. San Antonio
Deposit, North Patagonian Massif, Río Negro Province,
Argentina
Luna, L. (*) ; Aliotta, G.
(*) Universidad Nacional del Sur
................................................................................... Página: 513
610 | Poster
Low Temperature Thermochronology of the Collahuasi
Porphyry Copper District
Maksaev, V. (*) ; Munizaga, F.; Giglio, S.
(*) Departamento de Geología, Universidad de Chile
................................................................................... Página: 517
611 | Poster
Pyrite Sr-Pb Isotopic Composition from Cerro
Vanguardia & La Josefi na Epithermal Deposits, Deseado
Massif, Argentina
Moreira, P. (*) ; Guido, D.; Tassinari, C. C. G.; Schalamuk, I.
(*) UNLP-CONICET
................................................................................... Página: 518
613 | Poster
Groundwater Salinization and Oil Exploitation,
Ugarteche, Mendoza, Argentina: Isotope and
Geochemical Evidences
Panarello, H. (*) ; Ostera, H.; Cordero, R.; Torres, C.; Fasola, M.;
Violíni, C.
(*) Instituto de Geocronología y Geología Isotópica, Pabellón
INGEIS
................................................................................... Página: 522
614 | Poster
Magma Sources of Mantos Blancos Copper Deposit,
Coastal Range of Northern Chile
Ramírez, L.E. (*) ; Parada, M.A.; Palacios, C.; Wittenbrink, J.;
Lehmann, B.; Sial, A.
(*) Departamento de Geología, Universidad de Chile
................................................................................... Página: 523
615 | Oral
Pb and Nd Isotope Signatures and Shrimp
U-Pb Geochronological Evidence of
Paleoproterozoic Age for Mina III Gold
Mineralizations, Crixás District, Central
Brazil
Tassinari, C. C. G. (*) ; Jost, H.; Santos, J.; Nutman, A.; Bennell, M.
(*) Instituto de Geociencias da Universidade de Sao Paulo
................................................................................... Página: 527

7 - Isotopic organic geochemistry

701 | Oral
Biomarker and Stable Isotope Evidence for rapid
Environmental Changes Across Neoproterozoic Glacial
Cycles on the sao Francisco Craton
Kaufman, A. (*) ; Brody, K.; Geboy, N.; Johnston, D.; Eigenbrode, J.;
Cody, G.; De Oliveira, T.; Azmy, K.; Misi, A.
(*) University of Maryland
................................................................................... Página: 532
702 | Oral
Petroleum and Ore Deposits Geochemistry - Linking New
Technologies
Spangenberg, J. (*)
(*) University of Lausanne
................................................................................... Página: 533