The first 40Ar/39Ar age data for trap intrusions of the western part of the Siberian Platform

The first 40Ar/39Ar age data for trap intrusions of the western part of the Siberian Platform

Based on geological and age data it is known that basite (trap) magmatism at the Siberian Platform was manifested during the wide time interval from the Proterozoic to the Mezozoic. It has been established that the maximum volumes of lava extrusions, tuffogenic formations, and subvolcanic intrusions...

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Bibliographic Details
Published in:Doklady earth sciences Vol. 432; no. 2; pp. 750 - 753
Main Authors: Vasiliev, Yu. R., Mazurov, M. P., Prusskaya, S. N., Travin, A. V.
Format: Journal Article
Language:English
Published: Dordrecht SP MAIK Nauka/Interperiodica 01-06-2010
Springer Nature B.V
Subjects:
Copper
Earth and Environmental Science
Earth Sciences
Geochemistry
Geology
Magma
Nickel
Permian
Triassic
Volcanoes
Siberia
Russia
Olivine
Siberian Platform
DOKLADY Earth Science
Intrusive Body
Picrite
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Summary:Based on geological and age data it is known that basite (trap) magmatism at the Siberian Platform was manifested during the wide time interval from the Proterozoic to the Mezozoic. It has been established that the maximum volumes of lava extrusions, tuffogenic formations, and subvolcanic intrusions formed during the short time interval at the boundary between the Permian and Triassic periods. The maximum number of age datings, based on KAr and other modern methods was made for the northern part of the Siberian Platform, where large manifestations of trap magmatism of different facies and associated industrial copper-nickel sulfide ore deposits are located.
ISSN:1028-334X
1531-8354
DOI:10.1134/S1028334X10060085