Poster Session Wednesday, May 25, 2016 Posters are 90 cm wide and 150 cm high. Posters must be placed at 9:00 A.M.

Archaeometry W 01 - STRONTIUM ISOTOPES APPLIED TO MIGRANT IDENTIFICATION OF SACRIFICED PEOPLE FOUND IN THE TEMPLO MAYOR, TENOCHTITLAN, MEXICO. Alan Barrera Huerta - INAH, Mexico; Peter Schaaf - Instituto de Geofísica, UNAM, México; Gabriela Solís - Instituto de Geología, UNAM, Mexico; Ximena Chávez INAH, México; Teodoro Hernández - Instituto de Geofísica, UNAM, Mexico. W 02 - DETERMINATION OF NATURAL RADIOISOTOPES AND ITS APPLICATION FOR DATING ARCHAEOLOGICAL SAMPLES WITH THERMOLUMINESCENCE. Ángel Ramírez-Luna; Peter Schaaf - Instituto de Geofísica, UNAM, Mexico

Crustal and mantle evolution W 03 - THE CRUSTAL EVOLUTION OF SOUTH AMERICA FROM A ZIRCON Hf-ISOTOPE PERSPECTIVE. Carita Augustsson - Institutt for Petroleumsteknologi, Universitetet i Stavanger, Norway; Arne P. Willner - Institut für Geologie, Mineralogie und Geophysik, RuhrUniversität, Bochum, Germany; Tobias Rüsing - Institut für Geologie und Paläontologie, Westfälische Wilhelms-Universität Münster, Germany; Hans Niemeyer Departamento de Ciencias Geológicas, Universidad Católica del Norte, Chile; Axel Gerdes - Institut für Geowissenschaften, Goethe-Universität, Frankfurt; Christopher J. Adams - GNS Science Lower Hutt, New Zealand; Hubert Miller - Department für Geound Umweltwissenschaften, Ludwig-Maximilian-Universität, München, Germany. W 04 - GEOCHEMICAL AND Sr–Nd–Pb ISOTOPIC EVIDENCES OF CRUSTAL CONTAMINATION IN THE LOW-Ti BASALTS FROM PARANÁ IGNEOUS PROVINCE, SOUTHERN BRAZIL. Carla Barreto - UFRGS, Brazil; Jean-Michel Lafon -UFPA, Brazil; Evandro Lima – UFRGS, Brazil; Carlos Sommer - UFRGS, Brazil. W 05 - ARCHEAN LITHOSTRUCTURAL REMNANTS IN THE NEOPROTEROZOIC BORBOREMA PROVINCE – NE SOUTH AMERICA. Benjamim Bley de Brito Neves - Instituto de Geociências, Universidade de São Paulo, Brazil; Elton Luis Dantas - Instituto de Geociências, Universidade de Brasilia-DF, Brazil W 06 - ARE THE ARCHEAN COMPLEXES IN THE BASEMENT OF THE SOUTHERN BRASÍLIA OROGEN ACCRETED MICROCONTINENTS? Caue Cioffi; Mario Campo-Neto - Universidade de São Paulo, Brazil; Andreas Möller, The University of Kansas, USA; Brenda Rocha, Universidade de São Paulo, Brazil.

W 07 - RECYCLED ARCHEAN CRUST IN THE EVOLUTION OF RIO NEGRO-JURUENA PROVINCE OF THE AMAZON CRATON: Nd ISOTOPES FROM RIO DO SANGUE SUITE AND JAPUIRA TONALITE. Jayme Leite; Maria Zelia - Departamento de Recursos Minerais-Universidade Federal de Mato Grosso, Brazil; Maria Elisa Batata - Grupo de Pesquisa Guaporé, Universidade Federal de Mato Grosso, Brazil. W 08 - FIRST LA-MC-ICP-MS Lu-Hf ZIRCON RESULTS FOR A RHYACIAN GRANITOID AND ARCHEAN ORTHOGNEISS OF THE SOUTHEASTERN GUYANA SHIELD, NORTH OF BRAZIL. João Marinho Milhomem-Neto - Programa de Pós-graduação em Geologia e Geoquímica, Instituto de Geociências, Universidade Federal do Pará, Brazil; Jean Michel Lafon; Marco Antonio Galarza - Laboratório de Geologia Isotópica - Pará-Iso, Instituto de Geociências, UFPA, Brazil. W 09 - CRUSTAL ORIGIN OF THE HIGHLY FELSIC PERALUMINOUS CHÃ GRANDE GRANITOID IN THE BORBOREMA PROVINCE, NORTHEASTERN BRAZIL: PETROLOGICAL, GEOCHEMICAL AND ISOTOPIC (Sr, Nd) CONSTRAINTS. Valderez Ferreira; Alcides Sial; Hermanilton Gomes; Rafaella Miranda; Bruna Carvalho - Federal University of Pernambuco, Brazil; Marcio Pimentel University of Brasília, Brazil. W 10 - TIGHTENING-UP NE BRAZIL AND NW AFRICA CONNECTIONS: NEW U-Pb/Lu-Hf ZIRCON DATA OF A COMPLETE PLATE TECTONIC CYCLE IN THE DAHOMEY BELT OF THE WEST GONDWANA OROGEN IN TOGO AND BENIN. Carlos Ganade - Geological Survey of Brazil, SGB/CPRM, Brazil; Umberto Cordani Universidade de São Paulo, Brazil; Yao Agbossoumoundé - University of Lome, R. Togo; Renaud Caby - Geosciences Montpellier, Francia; Miguel Basei - Universidade de São Paulo, Brazil; Roberto Weinberg - Monash University, Australia; Kei Sato Universidade de São Paulo, Brazil. W 11 - DISTINCTION BETWEEN PASSIVE MARGIN AND ACTIVE MARGIN BASINS USING U-Pb METHODOLOGY: A CASE STUDY OF THE CENTRAL RIBEIRA BELT, SE BRAZIL. Monica Heilbron; Marcela Lobato; Caroline-Peixoto – UERJ, Rio de Janeiro State University, Brazil; Richard Armstrong - Australian National University, Australia; Claudio Valeriano; Miguel Tupinamba - Rio de Janeiro State University; Elton Dantas - University of Brasilia; Marcelo Salomão - Rio de Janeiro State University, Brazil. W 12 - GEOCHEMISTRY AND U-Pb, Sm-Nd AND Rb-Sr GEOCHRONOLOGY OF OROSIRIAN GRANITOIDS OF THE SOUTHWESTERN OF EREPECURUTROMBETAS DOMAIN, SOUTHERN GUYANA SHIELD. Rafael Estumano Leal - Programa de Pós-Graduação em Geologia e Geoquímica (PPGG), Universidade Federal do Pará (UFPA), Brazil; Jean Michel Lafon Laboratório de Geologia Isotópica (Pará-Iso), Universidade Federal do Pará (UFPA); Lúcia Travassos da Rosa-Costa - Serviço Geológico do Brasil (CPRM), Brazil; Elton Luiz-Dantas, Universidade de Brasília (UnB) Brazil.

W 13 - ELEMENTAL AND ISOTOPE CHARACTERISTICS OF THE SUBALKALINE INTERMEDIATE AND ACID DYKES FROM THE SERRA DO MAR SWARM. Caio Morelli-Vicentini; Leila Soares-Marques - Instituto de Astronomia, Geofísica e Ciências Atmosféricas, Universidade de São Paulo, Brazil; Marly Babinski - Instituto de Geociências, Universidade de São Paulo, Brazil; Ana Maria Graciano-Figueiredo Instituto de Pesquisas Energéticas e Nucleares, CNEN/SP, Brazil. W 14 - GEOCHRONOLOGY AND TECTONIC IMPLICATIONS OF THE POÇO DA CACIMBA PLUTON, PERNAMBUCO–ALAGOAS DOMAIN, BRAZIL. Mariucha Lima - Federal University of Pernambuco, Brazil; Valderez Ferreira; Thyego Silva - NEG–LABISE, Department of Geology, Federal University of Pernambuco, Brazil. W 15 - Ar-Ar PLATEAU AGES OF NORMAL SHEAR ZONES IN AGUAPEÍ BELT: TECTONIC COLLAPSE IN INTRACONTINENTAL OROGEN OF SUNSÁS PROVINCE-SW OF THE AMAZONIAN CRATON. Amarildo Ruiz - Postgraduate Program in Geosciences, FAGEO/UFMT; Research Group in Tectonics and Crustal Evolution, Guaporé; National Institute of Science and Technology for Geosciences of the Amazon - INCT-GEOCIAM; Luiz Sérgio Simões Petrology and Metallogeny Department, IGCE/UNESP; Wilson Teixeira - Institute of Geosciences, USP; Mauro Geraldes - Faculty of Geology, UERJ; João Matos; Maria Zélia Sousa - Post-Graduation Program in Geoscience, FAGEO/UFMT; Gabrielle Lima - Engineering Institute, UFMT, Brazil; Rami Salinas - Geology Department, IGEMA/UMSA. W 16 - EDIACARAN MAGMATISM AND ITS CONNECTIONS WITH JACARÉ DOS HOMENS SHEAR ZONE, BORBOREMA PROVINCE (NE BRAZIL): IMPLICATIONS FOR THE EARLY ASSEMBLY OF THE WEST GONDWANA. Thyego Silva - Federal University of Pernambuco, Brazil; Valderez Ferreira; Mariucha Lima; Alcides Sial - NEG–LABISE, Department of Geology, Federal University of Pernambuco, Brazil. W 17 - GEOLOGY AND GEOCHEMISTRY OF THE GROUP RIACHÃO DO OURO IN ARRAIAS PROJECT, METALLOGENETIC IMPLICATIONS OF THE PALEOPROTEROZOIC MAGMATIC ARC. Said Abdallah; Paulo Fernando Meneghini - Geological Survey of Brazil, CPRM, Brazil.

W 18 - THE TRANS-MEXICAN VOLCANIC BELT, A COMPLEX MAGMATIC ARC IN A COMPLEX SUBDUCTION ZONE SCENARIO: THE ROLE OF MANTLE HETEROGENEITIES, SLAB-DERIVED FLUXES AND CRUSTAL CONTAMINATION. Peter Schaaf - LUGIS, Instituto de Geofísica, UNAM, México; Gabriela Solís LUGIS, Instituto de Geología, UNAM; Teodoro Hernández; Gerardo Arrieta - LUGIS, Instituto de Geofísica, UNAM; Gabriel Valdez - Unidad Académica de Ciencias de la Tierra, UAGRO, México; Raymundo Martínez - LUGIS, Instituto de Geofísica, UNAM, Claus Siebe - Instituto de Geofísica, UNAM; Gerardo Carrasco - Centro de Geociencias, UNAM, Juriquilla, México W 19 - Sr, Nd, and Pb ISOTOPIC AND GEOCHEMICAL EVIDENCES FOR A TECTONO-MAGMATIC EVOLUTION IN THE BACK-ARC AREA (APANTECOCOMULCO VOLCANIC FIELD), EASTERN SECTOR OF THE TRANSMEXICAN VOLCANIC BELT. Raymundo G. Martínez-Serrano - Universidad Nacional Autónoma de México, Instituto de Geofísica, LUGIS, México; Gloria P. García-Tovar - Posgrado en Ciencias de la Tierra, UNAM, México; Gabriela Solís-Pichardo - Instituto de Geología, UNAM, México; Karina Gómez-Álvarez - CICESE, México; Brenda B. Ramírez-Ramírez; Octavio Vite-Sánchez - ESIA-IPN, México; Karla Juárez-López - Posgrado en Ciencias de la Tierra, UNAM, México. W 21 - THE BASEMENT OF THE LOS CABOS BLOCK, BAJA-CALIFORNIA SUR, AND ITS RELATIONSHIP WITH OTHER PROVINCES NW OF MEXICO: Sr-Nd ISOTOPES AND U-Pb GEOCHRONOLOGY. Hermes Rochin, Peter Schaaf - LUGIS, Instituto de Geofísica, UNAM, México; José Antonio Pérez-Venzor - Universidad Autónoma de Baja California Sur, La Paz, BCS, Mexico; Teodoro Hernández-Treviño - LUGIS, Instituto de Geofísica, UNAM; Gabriela Solís - LUGIS, Instituto de Geología, UNAM, México. W 22 - MARÍA MAGDALENA ISLAND IN THE TRES MARÍAS ARCHIPELAGO, GULF OF CALIFORNIA: AN OCEAN FLOOR SEQUENCE EXPOSED. Daniel Villanueva Lascurain; Peter Schaaf; Teodoro Hernández-Treviño; Gabriela Solís-Pichardo - Universidad Nacional Autónoma de México, México; Bodo Weber CICESE, Ensenada B.C, México. W 23 - THE ORIGIN OF BAJAITE AND ITS IMPLICATIONS FOR THE GENERATION OF CONTINENTAL CRUST. Paterno R. Castillo; M. Bibbins - Scripps Institution of Oceanography, University of California, San Diego, USA; R. Negrete-Aranda; E. Cañon-Tapia - Departamento de Geología, Centro de Investigación Científica y Educación Superior de Ensenada (CICESE), México; L. Alva-Valdivia - Geomagnetismo y Exploración, Instituto de Geofísica, Universidad Nacional Autónoma de México, México; B. García-Amador Posgrado, Instituto de Geofísica, Universidad Nacional Autónoma de México, México

Low temperature chronology of geological processes W 24 - APATITE FISSION TRACK DATING OF SOME UNITS FROM CHIAPAS (SE MEXICO) AND ITS GEOLOGICAL SIGNIFICANCE. Fanis Abdullin; Jesús Solé - Instituto de Geología, UNAM, México; Luigi Solari Centro de Geociencias, UNAM, Campus Juriquilla, Querétaro, México. W 25 - ZIRCON FISSION-TRACK METHOD APPLICATION TO THE STUDY OF THE CRUSTAL EXHUMATION OF JAURU FORMATION AND SW AMAZON CRATON BASEMENT. Kéttilin Menoncello; Eduardo Curvo; Amarildo Ruiz - Universidade Federal de Mato Grosso, Brazil; Carlos Tello; Rosana Resende; Luiz Hamada; Nathalia Gomes Universidad Estatal Paulista, Brazil W 26 - FISSION-TRACK THERMOCHRONOLOGY APPLIED IN THE SOUTH OF THE SÃO FRANCISCO CRATON: ONE PROPOSAL FOR THE LANDSCAPE GEOMORPHOLOGICAL EVOLUTION. Samia Passarella - Dep. de pós-graduação em Geociências, UNICAMP, Campinas-SP and ChronusCamp Research Thermochronology Laboratory, Campinas-SP, Brazil¸ C. J. Soares - ChronusCamp Research Thermochronology Laboratory, Campinas-SP; A. N. C. Dias - Dep. de Física, Química e Matemática, UFSCar, Sorocaba-SP and ChronusCamp Research Thermochronology Laboratory, Campinas-SP, Brazil. W 27 - DETRITAL THERMOCHRONOLOGY IN A TRANSCURRENT PLATE BOUNDARY: INTERACTION FROM CARIBBEAN AND SOUTH AMERICA PLATES CONTROLING THE CENOZOIC EVOLUTION FROM SIERRA NEVADA DE SANTA MARTA, COLOMBIA. Sebastian Echeverri - Sao Paulo University, Brazil; Mauricio Parra - Sao Paulo University, Brazil. W 28 - RECONSTRUCTION OF A CENOZOIC ACCRETIONARY PRISM IN THE NORTHERN ANDES: PROVENANCE AND LOW-TEMPERATURE THERMOCHRONOLOGY OF THE PENDERISCO FORMATION. Santiago León - Institute of Geosciences, University of Sao Paulo, Brazil; Mauricio Parra - Institute of Energy and Environment, University of Sao Paulo, Brazil; Agustín Cardona - School of Processes and Energy, National University of Colombia, Colombia; Andrés Pardo - Geological Sciences Department - Institute of Stratigraphic Research, University of Caldas, Colombia. W 29 - THE CRYSTALLOGRAPHICAL AND GEOCHRONOLOGICAL STUDY OF ILLITE: EXAMPLES FROM MEXICO. Teresa Pi; Jesús Solé - Instituto de Geología, UNAM, México; Diana Garduño Instituto Mexicano del Petróleo, México; Michelangelo Martini - Instituto de Geología, UNAM, México.

Isotope applications in paleoclimatology W 30 - GEOCHEMICAL AND MORPHOLOGICAL INDICATORS IN PEDOGENIC CARBONATES IN MEXICO’S TEOTIHUACAN VALLEY: PALEO-ENVIRONMENTAL SIGNIFICANCE. Daisy Valera-Fernández; Elizabeth Solleiro-Rebolledo; Sergey Sedov - Instituto de Geología, UNAM, México. W 31 - MERCURY DEPOSITION AND MERCURY ISOTOPES IN SECTIONS STRADDLING THE CRETACEOUS–PALEOGENE BOUNDARY: LINK TO VOLCANISM. Alcides Nobrega-Sial - NEG-LABISE, Dept. Geology, UFPE, Brazil; Jiubin Chen State Key Lab. of Environ. Geoch., Chinese Acad. Sci., China; Luis Drude-Lacerda LABOMAR, Institute of Marine Sciences, Federal University of Ceará, Fortaleza, Brazil; Robert Frei - Department of Geoscience and Natural Resource Management, Univ. of Copenhagen, Denmark; Vinod Tewari - Wadia Institute, India; Valderez PintoFerreira - NEG-LABISE, Dept. Geology, UFPE, Brazil; Christoph Korte - Department of Geoscience and Natural Resource Management, Univ. of Copenhagen, Denmark; Natan Silva- Pereira - NEG-LABISE, Dept. Geology, UFPE, Brazil. W 32 - A SPELEOTHEM RECORD FOR THE LAST 15000 YEARS FROM COLOMBIA, RELATIONSHIP OF ITCZ SHIFT AND PALEORAINFALL. Verónica Ramirez; Francisco William da Cruz Jr - Geology Institute, University of Sao Paulo, Brazil; Hai Cheng - Department of Geology and Geophysics, University of Minnesota, USA.

Isotopes in environmental geochemistry and hydrogeology W 33 - THE δ18O AND δ2H COMPOSITION OF SUMMER RAINFALL IN SOUTHERN MEXICO. Juan Pablo Bernal - Centro de Geociencias, Campus UNAM-Juriquilla, México; J.P. Lachniet - Department of Geoscience, University of Nevada, USA; L. Rosales-Lagarde - Department of Geoscience, University of Nevada, USA; E. Cienfuegos - Instituto de Geología UNAM; P. Morales-Puente - Instituto de Geología UNAM, México. W 34 - DETERMINATION OF NITRATE δ15N IN THE SURFACE WATER FROM RIVERS LOCATED IN THE FEDERAL DISTRICT – CENTRAL, BRAZIL. Poliana Dutra-Maia - Geochronology Lab, University of Brasília, Brazil; R.S.M. Monforte - Chemical Lab, University of Brasília; E.N.C.B. Carvalho - Geochronology Lab, University of Brasília; R.V. Santos - Geochronology Lab, University of Brasília; F. Sodré - Chemical Lab, University of Brasília.

W 35 - ISOTOPIC ANALYSIS OF RAINFALL IN WESTERN BRAZILIAN AMAZON BETWEEN OCTOBER 2013 AND MAY 2014. José Celso-Griebler Jr.; Rafael da Rocha-Ribeiro; Jefferson Cardia-Simões; Ronaldo Bernardo; Francisco Eliseu Aquino - Universidade Federal do Rio Grande do Sul, Brazil; Daiane Flora Hammes - Serviço Geológico do Brasil-CPRM, Brazil. W 36 - POSSIBLE RELATIONSHIP BETWEEN STABLE ISOTOPES AND WATER-ROCK INTERACTION IN FRACTURED AQUIFERS FROM THE SEMIARID BRAZILIAN NORTHEAST – MUNICÍPIO DE PETROLINA – PERNAMBUCO – BRAZIL. Priscila Silva; José Eloi-Campos; Luciano Cunha; Luis Henrique Mancini – UnB, Universidade de Brasília, Brazil. W 37 - A MULTIDISCIPLINARY EVALUATION ON SHALE GAS EXPLOITATION RISKS, NEUQUEN BASIN, ARGENTINA. Héctor Ostera - Universidad de Buenos Aires (UBA) - Instituto de Geocronología y Geología Isotópica (INGEIS), Argentina; Alicia Favetto - INGEIS-CONICET; Cristina Dapeña - INGEIS-CONICET; Mariana Cagnoni - INGEIS-CONICET; Nora Cabaleri INGEIS-UBA; Claudia Armella - INGEIS-CONICET; Cristina Pomposiello - INGEISCONICET; Fernanda Cravero - CETMIC-CONICET. W 38 - USING TRACE ELEMENT CONTENT AND LEAD ISOTOPIC COMPOSITION TO ASSESS SOURCES OF PM IN TIJUANA, MEXICO. Dara Salcedo - Facultad de Ciencias, Universidad Nacional Autónoma de México; Telma Castro - CCA, UNAM; Juan Pablo Bernal - CGEO, UNAM; Victor AlmanzaVeloz - MCE2, MIT; Miguel Zavala - MCE2; Estefany Gonzalez-Castillo - FC, UNAM; M. Isabel Saavedra - CCA, UNAM; Ofelia Pérez-Arvízu - CGEO, UNAM; Gerardo C. Díaz-Trujillo – UBC; Luisa T. Molina - MCE2, MIT. W 39 - ANALYSIS OF REE IN BASALT, CEMENT, SHALE, ROCK AND STREAM SEDIMENT CRMS BY ICP-QMS. Rui Santos; Sebastian Wünsche; Heike Gleisner; René Chemnitzer - Analytik Jena AG. W 40 - COPPER ISOTOPE BEHAVIOR IN A SUBTROPICAL MINING AREA OF SOUTHERN MEXICO. Azucena Dótor-Almazan - Instituto de Geología, UNAM; Ma. Aurora ArmientaHernández – Instituto de Geofísica, UNAM; Oscar Talavera-Mendoza - UAGro, México; Joaquín Ruiz – Univ. Arizona, USA.

Geochronology of metamorphic and igneous processes W 41 - REVIEWING THE BACAERI COMPLEX IN THE SOUTHERN AMAZON CRATON USING U-Pb GEOCHRONOLOGY IN ZIRCON AND MONAZITE: IMPLICATIONS FOR THE TIMING OF MAFIC AND GRANITIC MAGMATISM DURING THE COLÍDER VOLCANISM. Marcia Barros; Carlos Silva - UFMT, Brazil; Joao Santos - UWA, Australia; Bruno Kenzo - UFMT, Brazil; Mara Rocha - UNB, Brazil.

W 42 - CHEMICAL VARIATIONS OF MIOCENE IGNEOUS AND METAMORPHIC ZIRCONS FROM THE CONTACT AUREOLE OF THE NORTH PATAGONIAN BATHOLITH. Mauricio Calderon; Francisco Hervé - Universidad Andrés Bello, Universidad de Chile; Mark Fanning - Australian National University; Robert Pankhurst - British Geological Survey; Francisco Fuentes - Universidad Andrés Bello, Chile. W 43 - GEOCHRONOLOGY OF THE SERRA NEGRA SUITE THE FIRST GRANITIC MAGMATISM IN THE SERGIPANO OROGENIC SYSTEM, NORTHEASTERN BRAZIL. Herbet Conceição - Federal University of Sergipe, Brazil; Joane Almeida-Conceição Federal University of Oeste da Bahia, Brazil; José Wellington Silva-Cruz; Maria Lourdes Silva-Rosa - Federal University of Sergipe, Brazil. W 44 - 1.78 Ga CHARNOCKITE GRANITES IN THE AMAZONIAN CRATON: PARTS OF JURUENA ARC? Carlos Humberto da Silva - Universidade Federal do Mato Grosso, Brazil; Marcia Barros; Ana Costa - UFMT; Mara Rocha - UNB, Brazil. W 45 - U-Pb LA-ICP-MS AGES IN ZIRCONS FROM RAPAKIVI GRANITES IN THE RONDÔNIA TIN PROVINCE, SW AMAZONIAN CRATON. Camila Nogueira; Mauro Geraldes; Bruna Saar - Universidade do Estado do Rio de Janeiro, Brazil. W 46 - NEW U-Pb LA-ICP-MS AGES FROM GRANITIC AND MIGMATITIC ROCKS OF THE COSTEIRO TERRANE, MONGAGUÁ DOMAIN, SOUTHEASTERN BRAZIL: SOME PETROGENETIC IMPLICATIONS. Cláudia Regina Passarelli - Instituto de Geociências, Universidade de São Paulo, Brazil; Miguel Basei; Oswaldo Siga Jr.; Pedro Moreira Cavalcante da Silva; Rafael Shinoda - IGc-USP, Brazil. W 47 - ISOTOPIC AND GEOCHRONOLOGICAL STUDY OF THE NEOPROTEROZOIC URUANA SYENITE, CENTRAL BRASILIA BELT: EVIDENCE FOR LITHOSPHERIC MANTLE CONTRIBUTION IN THE GENESIS OF ULTRAPOTASSIC MAGMAS. Sergio Andres Reyes-Sandoval; Mássimo Matteini; Elton Dantas; Márcio MartinsPimentel; Malú Nakamura - University of Brasília, Brazil. W 48 - THE SÃO DOMINGOS BATHOLITH, AN S-TYPE GRANITE IN THE AGUAPEÍ BELT - SUNSÁS PROVINCE, SW AMAZONIAN CRATON. Maria Zélia Sousa - Postgraduate Program in Geosciences, FAGEO/UFMT; Research Group in Tectonics and Crustal Evolution; Amarildo Ruiz - Postgraduate Program in Geoscience, FAGEO/UFMT; Luzia Helena-Siqueira - Postgraduate Program in Geoscience, FAGEO/UFMT; Maria Elisa-Batata - Postgraduate Program in Mineralogy and Petrology, IG/USP; Jean-Michel Lafon - Department of Geochemistry and Petrology, IG/UFPA; João Matos - Postgraduate Program in Geoscience, FAGEO/UFMT; Gabrielle Lima - Engineering Institute, UFMT.

W 49 - ZIRCON U–Pb GEOCHRONOLOGICAL STUDIES OF GRANITIC ROCKS FROM THE CENTRAL BUNDELKHAND GREENSTONE COMPLEX, BUNDELKHAND CRATON, INDIA. Sanjeet Kumar Verma - División de Geociencias Aplicadas, Instituto Potosino de Investigación Científica y Tecnológica, México; Surendra P. Verma - Instituto de Energías Renovables, México; Elson P. Oliveira - Department of Geology and Natural Resources, University of Campinas; Vinod K. Singh - Department of Geology, Bundelkhand University, Jhansi, India; Juan A. Moreno - Department of Geology and Natural Resources, Institute of Geosciences, University of Campinas. W 50 - THE AGE OF THE PARANÁ-ETENDEKA IGNEOUS PROVINCE: AN UPDATE. Maria Helena Hollanda - Universidade de São Paulo, Instituto de Geociências, Brazil; Paul Renne - Berkeley Geochronological Center, California, USA; Ronaldo Mincato Universidade Federal de Alfenas, Instituto de Ciências da Natureza, MG, Brazil; Márcia Ernesto - Universidade de São Paulo, Instituto de Astronomia, Geofísica e Ciências Atmosféricas, Brazil. W 51 - CENOZOIC DYNAMOTHERMAL METAMORPHISM AT THE WESTERN ANDEAN FOOTHILLS OF CHILOE, SOUTHERN CHILE. Francisco Hervé - Universidad Andrés Bello; Universidad de Chile, Chile; Mark Fanning - Australian National University, Australia; Robert Pankhurst - British Geological Survey; Carlos Rapela - Universidad Nacional de la Plata; Francisco Fuentes; Mauricio Calderón - Universidad Andrés Bello. W 52 - A STABLE ISOTOPE STUDY OF FLUID-ROCK INTERACTIONS IN THE SADDLEBAG LAKE PENDANT, SIERRA NEVADA, CALIFORNIA. Iwo Lojasiewicz - California State University Long Beach, USA; Sean HartmanUniversity of Southern California, USA; Gregory Holk - California State University Long Beach, USA; Scott Paterson - University of Southern California, USA. W 53 - PERMO-TRIASSIC EVOLUTION IN THE SIERRA NEVADA DE SANTA MARTA, FROM ALLEGHANIAN ARC COLLISION TO PANGEA BREAKUP. Alejandro Piraquive-Bermúdez - Université Grenoble Alpes, France; Andreas Kammer Universidad Nacional de Colombia, sede Bogotá; Albrecht von Quadt - Institute of Geochemistry & Petrology ETH Zürich, Switzerland; Matthias Bernet - Institut des Sciences de la Terre, Universite Grenoble Alpes, France. W 54 - LINKING ZIRCON AND MONAZITE GROWTH EPISODES TO PARTIAL MELTING AND MELT CRYSTALLIZATION EVENTS: AN EXAMPLE FROM THE SOCORRO-GUAXUPÉ NAPPE, SE BRAZIL. Brenda Rocha; Renato Moraes - Instituto de Geociências, Universidade de São Paulo, Brazil; Andreas Möller - Department of Geology, The University of Kansas, USA; Caue Cioffi - Instituto de Geociências, Universidade de São Paulo, Brazil; Michael Jercinovic - Department of Geosciences, University of Massachusetts, USA.

W 55 - PALEOPROTEROZOIC BASEMENT IN THE CAPANÉ ANTIFORM, PORONGOS COMPLEX, BRAZIL: EVIDENCES FROM ZIRCON U-Pb AGES. Daianne Silveira; Juliana Marques - Universidade Federal do Rio Grande do Sul (UFRGS), Brazil; Miguei Basei - Universidade de São Paulo (USP); José Carlos Frantz; Ronei Giusti - Universidade Federal do Rio Grande do Sul (UFRGS); Brazil. W 56 - Sm-Nd AND Lu-Hf ISOTOPE SYSTEMATICS AND GEOCHEMISTRY OF CRYSTALLINE BASEMENT FROM THE CENTRAL VENEZUELAN ANDES: PRELIMINARY CONSTRAINTS ON THE ORIGIN AND EVOLUTION OF THE IGLESIAS COMPLEX. María D. Tazzo-Rangel; Bodo Weber; Reneé González-Guzmán - Centro de Investigación Científica y de Educación Superior de Ensenada (CICESE) Baja California, Mexico. W 58 - GEOCHRONOLOGY AND ISOTOPE GEOCHEMISTRY OF INTRUSIVE ROCKS FROM SINALOA, NW MEXICO, AND THEIR INTERACTION WITH BASEMENT ROCKS. Gerardo Arrieta - Instituto de Geofísica, UNAM, México; Peter Schaaf - Instituto de Geofísica, UNAM, México; Gabriela Solís - Instituto de Geología, UNAM, México; Roberto Maldonado - Posgrado en Ciencias de la Tierra, Instituto de Geología, UNAM. W 59 - GEOLOGY AND GEOCHEMESTRY OF THE LA PAZ PLUTONIC COMPLEX, B.C.S. A CONTRIBUTION TO THE KNOWLEDGE OF THE GEOLOGICAL EVOLUTION OF NORTHWESTERN MEXICO. José Antonio Pérez-Venzor - Universidad Autónoma de Baja California Sur, México; Peter Schaaf - Instituto de Geofísica, UNAM, México; José Jorge Aranda- Centro de Geociencias, Querétaro, UNAM, México. W 60 - GEOLOGY, GEOCHEMISTRY, AND GEOCHRONOLOGY OF THE YELAPA METAMORPHIC COMPLEX, BASEMENT OF THE PUERTO VALLARTA BATHOLITH, MEXICO. Luis Fernando Díaz López - ESIA, IPN and Instituto de Geofísica, UNAM, México; Peter Schaaf; Teodoro Hernández - Instituto de Geofísica, LUGIS, UNAM; Gabriela Solís - Instituto de Geología, LUGIS, UNAM, México. W 61 - MAGMATISM IN THE SIERRA MADRE ORIENTAL: GEOLOGY, GEOCHEMISTRY AND GEOCHRONOLOGY FROM MAXALA GRANITOID, HIDALGO AND VERACRUZ, MÉXICO. Esmeralda Martínez Sánchez - ESIA IPN and LUGIS-Instituto de Geofísica, UNAM, México; Teodoro Hernández Treviño - LUGIS-Instituto de Geofísica, UNAM; Daniel Villanueva Lascurain; Guillermo Espejo-Bautista - Posgrado en Ciencias de la Tierra UNAM; Fernando López Díaz - ESIA IPN and LUGIS-Instituto de Geofísica, UNAM, México. Luigi Solari - Centro de Geociencias, UNAM; Gabriela Solís Pichardo LUGIS-Instituto de Geología, UNAM, México.

W 62 - THE LATE CRETACEOUS TO PALEOCENE MAGMATIC PULSE IN THE SIERRA MADRE DEL SUR (MEXICO) AND ITS POSSIBLE GEODYNAMIC SIGNIFICANCE. Maria Isabel Sierra Rojas; Roberto Molina Garza - UNAM, México. W 63 - THE FUTURE OF THE K-Ar METHOD: MILLIGRAM SAMPLES AND IN SITU DATING. Jesús Solé - Instituto de Geología, Universidad Nacional Autónoma de México.