Precise ID-TIMS U-Pb baddeleyite ages (1110-1112 Ma) for the Rincón del Tigre-Huanchaca large igneous province (LIP) of the Amazonian Craton: Implications for the Rodinia supercontinent

High quality U-Pb (ID-TIMS) baddeleyite ages define the timing of crystallization of the Rincón del Tigrelayered intrusion (1110 ± 2 Ma) and the Huanchaca mafic suite (1112 ± 2 Ma) in the Bolivian Precambrian shield - SW portion of the Amazonian Craton. The identical ca. 1110-1112 Ma ages obtained...

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Bibliographic Details
Published in:Precambrian research Vol. 265. P. 273-285
Corporate Author: Томский государственный университет Геолого-географический факультет Кафедра петрографии
Other Authors: Teixeira, Wilson, Lima, Gabrielle А., Ruiz, Amarildo S., Matos, Ramiro, Ernst, Richard E., Hamilton, Mike А.
Format: Article
Language:English
Subjects:
Online Access:http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000525167
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245 1 0 |a Precise ID-TIMS U-Pb baddeleyite ages (1110-1112 Ma) for the Rincón del Tigre-Huanchaca large igneous province (LIP) of the Amazonian Craton: Implications for the Rodinia supercontinent  |c W. Teixeira, M. А. Hamilton, G. А. Lima [et.al.] 
504 |a Библиогр.: с. 283-285 
520 3 |a High quality U-Pb (ID-TIMS) baddeleyite ages define the timing of crystallization of the Rincón del Tigrelayered intrusion (1110 ± 2 Ma) and the Huanchaca mafic suite (1112 ± 2 Ma) in the Bolivian Precambrian shield - SW portion of the Amazonian Craton. The identical ca. 1110-1112 Ma ages obtained foreach (about 500 km apart) suggest these belong to a previously unrecognized LIP. The large area of dis-tribution and the intraplate geochemistry for the 1110 Ma Huanchaca-Rincón del Tigre rocks support arelationship with mantle plume activity pre-dating Rodinia breakup. Contemporary anorogenic magmatism in Amazonia is probably linked to crustal melting caused by the LIP. The newly identified 1110 MaLIP has a tight age match with intraplate magmatism in the Congo, Kalahari and Indian cratons, and the Keweenawan event of central Laurentia among others. While a reconstruction history of Amazonia andLaurentia is still a matter of debate on paleomagnetic grounds, a reconstruction link with other crustalblocks remains possible. 
653 |a Родиния, суперконтинент 
653 |a Амазонский кратон 
653 |a баделлеит 
653 |a докембрий 
655 4 |a статьи в журналах  |9 879358 
700 1 |a Teixeira, Wilson  |9 435046 
700 1 |a Lima, Gabrielle А.  |9 435047 
700 1 |a Ruiz, Amarildo S.  |9 435048 
700 1 |a Matos, Ramiro  |9 435049 
700 1 |a Ernst, Richard E.  |9 218658 
700 1 |a Hamilton, Mike А.  |9 435050 
710 2 |a Томский государственный университет  |b Геолого-географический факультет  |b Кафедра петрографии  |9 78187 
773 0 |t Precambrian research  |d 2015  |g Vol. 265. P. 273-285  |x 0301-9268 
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