Geochemistry and geochronology of the rapakivi granites and associated rocks in the midwest portion of the Serra da Providência composite batholith, SW of Amazonian craton, Rondônia, Brazil

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Geochemistry and geochronology of the rapakivi granites and associated rocks in the midwest portion of the Serra da Providência composite batholith, SW of Amazonian craton, Rondônia, Brazil

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作者：Manoel Augusto Corrê ; a da Costa^a ; ^{manoel.costa@cprm.gov.br" class="auth_mail" title="E-mail the corresponding author} ; Maria Zé ; lia Aguiar de Sousa^b ; Roberto Dall'Agnol^c ; ^d ; Jaime E. Scandolara^e ; Amarildo Salina Ruiz^b
关键词：Serra da Providê ; ncia composite batholith ; Geochemistry ; U&ndash ; Pb geochronology ; Rapakivi granites ; Rhyolites
刊名：Journal of South American Earth Sciences
出版年：2016
出版时间：August 2016
年：2016
卷：69
期：Complete
页码：194-212
全文大小：10026 K

文摘

•: Seven facies were mapped in the Serra da Providência batolith.
•: Leucosyenogranites and rhyolites are new rock varieties described in the study area.
•: Two distinctive groups of mafic rocks were recognized in the study area.
•: Porphyritic rhyolites were formed in a precursor event.
•: Leucosyenogranites are similar to the tin specialized granites of the region.