Is there a Grenvillian basement in the Guerrero-Morelos Platform of Mexico?

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Title:	Is there a Grenvillian basement in the Guerrero-Morelos Platform of Mexico?
Author:	René Levresse, Gilles Pierre; Tritlla i Cambra, Jordi; Deloule, Etienne; Pinto Linares, Porfirio Julio
Abstract:	In the Guerrero-Morelos platform (Guerrero State, Mexico) the adakitic rocks of Early Tertiary age contain abundant hornblende-rich tonalite xenoliths. Zircon crystals have been concentrated from both adakites and xenoliths, and dated using in-situ U-Pb ion microprobe analyses. These analyses indicate the presence of inherited Grenvillian and early Triassic/late Permian crust ages, as well as a Paleocene age related with the adakite rock intrusion. This range of inherited ages is reported for the first time in the Guerrero-Morelos platform, suggesting that a continous Grenvillian crust exists be
Subject(s):	-U-Pb dating -Zircon -Guerrero -Grenvillian Age
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Document type:	Article
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Uri:	https://ddd.uab.cat/record/85973