T33F:
The Parana-Etendeka Igneous Province and Related Magmatism: What Have We Learned So Far? II Posters


Session ID#: 10763

Session Description:
The Paraná-Etendeka Igneous Province (PEIP) of Brazil and Namibia is the second largest outcrop of the Cretaceous continental flood basalt; it is closely related to the opening of the South Atlantic Ocean, and was followed by many intrusions, some of which might lie outside the present day Paraná Basin. Numerous studies describing the geochemical, geochronological, geophysical, paleomagnetic, stratigraphical, tectonic and volcanic characteristics of the PEIP proper, and the associated magmatism on both sides of the Atlantic, have been published in the past decade. However, it is difficult to assess how much has been learned about this province, partly because those works are outpaced in the literature. This session therefore invites recent studies in all subjects that contribute for a better knowledge of the origin and evolution of the PEIP and related magmatism. We also encourage multidisciplinary studies allowing comparison of the PEIP with other continental flood basalt provinces.
Primary Convener:  Edgardo Canon-Tapia, Center for Scientific Research and Higher Education at Ensenada, Ensenada, Mexico
Conveners:  Irene Raposo, Instituto de Geociências Universidade de Sao Paulo, Sao Paulo, Brazil and Xixi Zhao, State Key Laboratory of Marine Geology, Tongji University, Shanghai, 200092, Shanghai, China
Chairs:  Xixi Zhao, Tongji University, Shanghai, China and Edgardo Canon-Tapia, Center for Scientific Research and Higher Education at Ensenada, Ensenada, Mexico
OSPA Liaison:  Xixi Zhao, Tongji University, Shanghai, China

Cross-Listed:
  • GP - Geomagnetism and Paleomagnetism
  • P - Planetary Sciences
  • V - Volcanology, Geochemistry and Petrology
Index Terms:

1518 Magnetic fabrics and anisotropy [GEOMAGNETISM AND PALEOMAGNETISM]
1525 Paleomagnetism applied to tectonics: regional, global [GEOMAGNETISM AND PALEOMAGNETISM]
8137 Hotspots, large igneous provinces, and flood basalt volcanism [TECTONOPHYSICS]
8415 Intra-plate processes [VOLCANOLOGY]

Abstracts Submitted to this Session:

Late-Stage HIMU-Type Volcanism on the Walvis Ridge: Not just Part of an Age-Progressive Tristan-Gough Hotspot Track (62221)
Stephan Homrighausen1, Kaj Hoernle1, Folkmar Hauff1, Maxim Portnyagin1, Reinhard Werner1, Joerg Geldmacher1 and C-Dieter Garbe-Schoenberg2, (1)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, (2)University of Kiel, Institute of Geosciences, Kiel, Germany
Palaeomagnetic directions of the volcanic rocks from Gramado Xavier, Rio Grande do Sul State, South Brazil: implications for time duration of the volcanic activity. (64532)
M Irene B Raposo1, Edgardo Canon-Tapia2, Letícia Freitas Guimarães1 and Valdecir A Janasi1, (1)USP University of Sao Paulo, São Paulo, Brazil, (2)Center for Scientific Research and Higher Education at Ensenada, Ensenada, Mexico
Chaotic flow and fragmentation paths in acidic conduits from the Paraná-Etendeka Magmatic Province (PEMP) (76119)
Cristina P. De Campos1, Letícia Freitas Guimarães1, Evandro F de Lima2, Valdecir A Janasi1 and Daniele Giordano3, (1)USP University of Sao Paulo, São Paulo, Brazil, (2)Universidade Federal do Rio Grande do Sul - UFRGS, Geociencias, Porto Alegre, Brazil, (3)Università di Torino, Dipartimento di Scienze della Terra, Torino, Italy
Geochemical and Sr–Nd–Pb Isotopic Insights of the Low-Ti basalts from Paraná–Etendeka Igneous Province, Southern Brazil: Constraints on Petrogenesis and the Role of Crustal Contamination (76779)
Carla Joana Barreto, UFRGS Federal University of Rio Grande do Sul, Rio Grande, Brazil, Evandro F de Lima, Universidade Federal do Rio Grande do Sul - UFRGS, Geociencias, Porto Alegre, Brazil, Jean Michel Lafon, UFPA Federal University of Pará, Geociencias, Belém, Brazil, Belém, Brazil, Carlos Augusto Sommer, UFRGS Federal University of Rio Grande do Sul, Geociencias, Porto Alegre, Brazil, Irene Raposo, Instituto de Geociências Universidade de Sao Paulo, Sao Paulo, Brazil and Breno Leitao Waichel, UFSC Federal University of Santa Catarina, Florianópolis, Brazil
The Temporal Relationship Between Alkaline and Tholeiitic Magmatism in the Paraná-Etendeka Igneous Province: ID-TIMS U-Pb Ages of the José Fernandes Gabbro and Dykes of the Ponta Grossa Arch, Brazil (82924)
Vidyã Vieira de Almeida1,2, Larry M Heaman3, Barry Shaulis4, Valdecir A Janasi1 and Frederico Meira Faleiros1, (1)USP University of Sao Paulo, São Paulo, Brazil, (2)CPRM Geological Survey of Brazil, São Paulo, Brazil, (3)University of Alberta, Earth and Atmospheric Sciences, Edmonton, AB, Canada, (4)Lunar and Planetary Institute, Houston, TX, United States
The alkaline and alkaline-carbonatite magmatism from Southern Brazil (83842)
Excelso Ruberti1, Celso de Barros Gomes1 and Piero Comin-Chiaramonti2, (1)Universidade de São Paulo, São Paulo, Brazil, (2)University of Trieste, Dipartimento di Scienze della Terra, 34100 Trieste, Italy
3D MODEL OF THE TORRES SYNCLINE IN THE PARANÁ-ETENDEKA PROVINCE, SOUTH ATLANTIC MARGIN (83972)
Breno Leitao Waichel, UFSC Federal University of Santa Catarina, Florianópolis, Brazil, Evandro F de Lima, Universidade Federal do Rio Grande do Sul - UFRGS, Geociencias, Porto Alegre, Brazil, Dougal A Jerram, University of Oslo, Oslo, Norway, Lucas de Magalhaes May Rossetti, UFRGS Federal University of Rio Grande do Sul, Geociencias, Porto Alegre, Brazil, Gilmar Vital Bueno, UFF Federal Fluminese University, Geoscience, Niteroi, Brazil, Adriano Roessler Viana, PETROBRAS, Rio De Janeiro, Brazil and Carla Joana Barreto, UFRGS Federal University of Rio Grande do Sul, Rio Grande, Brazil

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