An arc ankaramite occurrence in central Mexico

Melanocratic clinopyroxene-rich dikes intruding ultramafic cumulate rocks at the base of the Guanajuato magmatic sequence, in central Mexico, are classified as ankaramites. They are high Mg, Cr and Ni basic rocks that have slightly enriched LREE-patterns, and Epsilon Nd (T=110 Ma) = +7.22 , which i...

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Bibliographic Details
Main Author: Luis Enrique Ortiz-Hernández
Format: Article
Language:English
Published: Universidad Nacional Autónoma de México 2018-11-01
Series:Revista Mexicana de Ciencias Geológicas
Subjects:
Online Access:https://rmcg.unam.mx/index.php/rmcg/article/view/1074
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