THE PAIPA VOLCANO, EASTERN CORDILLERA OF COLOMBIA, SOUTH AMERICA (PART II): PETROGRAPHY AND MAJOR ELEMENTS PETROLOGY

THE PAIPA VOLCANO, EASTERN CORDILLERA OF COLOMBIA, SOUTH AMERICA (PART II): PETROGRAPHY AND MAJOR ELEMENTS PETROLOGY

Paipa volcano products are mainly pyroclastic pumice and ash flow tuffs, lava domes and pyroclastic block and ash flow tuffs. They are classified as alkaline rhyolites and trachytes and high-K calcalkaline rhyolites. Chemical data show SiO2 values between 68 and 72%, and alkalis (Na2O+K2O) content o...

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Bibliographic Details
Main Authors:	Cepeda Héctor, Jaramillo José María, Pardo Villaveces Natalia
Format:	Article
Language:	English
Published:	Universidad Nacional de Colombia 2005-08-01
Series:	Earth Sciences Research Journal
Online Access:	http://www.revistas.unal.edu.co/index.php/esrj/article/view/21248

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