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Evidence of a Paleoproterozoic basement in the Moroccan Variscan Belt (Rehamna Massif, Western Meseta)

Pereira, M. Francisco; El Houicha, M; Chichorro, Martim; Armstrong, Richard; Jouhari, A; El Attari, A; Ennih, N; Silva, J.B.

Description

For the first time, an Eburnian magmatic event has been identified in the Rehamna Massif (Moroccan Variscan Belt, Western Meseta) located north of the South Meseta fault. The best estimate of the crystallization age of rhyolitic porphyry is given by a weighted mean 207Pb/206Pb age of 2050.6 ± 3 Ma (Rhyacian-Orosirian). The new U–Pb age obtained for rhyolitic porphyry from the Rehamna Massif is of great relevance for improving geological knowledge about the boundaries ofthe WAC because:(i)it...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
URI: http://hdl.handle.net/1885/98786
Source: Precambrian Research
DOI: 10.1016/j.precamres.2015.07.010

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