CARBONIFEROUS 40Ar/39Ar AGE OF THE RARE METAL-ENRICHED RHYOLITES AND IGNIMBRITES IN THE SAKMARA ALLOCHTHON OF THE SOUTHERN URALS, THEIR GEOCHEMICAL FEATURES AND GEODYNAMIC SETTING
In the structure of the Sakmara allochthon of the Southern Uralssequence with rhyolites and ignimbrites locally occures. They have Nb-Zr-REE geochemical specialization. This sequence unconformably overlays folded Paleozoic complexes, including the Devonian ones. Rhyolite contains K-feldspar and quar...
Main Authors: | , , , |
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Format: | Article |
Language: | Russian |
Published: |
Sergo Ordzhonikidze Russian State University for Geological Prospecting
2018-06-01
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Series: | Известия высших учебных заведений: Геология и разведка |
Subjects: | |
Online Access: | https://www.geology-mgri.ru/jour/article/view/298 |