Epigenetic Alterations of Felsic Volcanites from the Top of the pre-Jurassic Complex in the Southeastern Part of the West Siberian Plate

Epigenetic Alterations of Felsic Volcanites from the Top of the pre-Jurassic Complex in the Southeastern Part of the West Siberian Plate

A study of secondary alterations of felsic effusives with reservoir properties from the top of the West Siberian pre-Jurassic complex (Tomsk Region) was performed. The lithological, petrographic, and mineralogical features of these rocks indicate their alterations by low-temperature hydrothermal sol...

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Bibliographic Details
Published in:Moscow University geology bulletin Vol. 74; no. 4; pp. 364 - 371
Main Authors: Krasnova, A. V., Rostovtseva, Yu. V., Gavrilov, A. E.
Format: Journal Article
Language:English
Published: Moscow Pleiades Publishing 01-07-2019
Springer Nature B.V
Subjects:
Earth and Environmental Science
Earth Sciences
Geology
Hydrothermal solutions
Jurassic
Leaching
Lithology
Low temperature
Properties
Reservoirs
Rock
Rocks
pre-Jurassic complex
secondary reservoirs
Western Siberia
epigenetic alteration
hydrothermal processes
volcanic rocks
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Summary:A study of secondary alterations of felsic effusives with reservoir properties from the top of the West Siberian pre-Jurassic complex (Tomsk Region) was performed. The lithological, petrographic, and mineralogical features of these rocks indicate their alterations by low-temperature hydrothermal solutions, while the weathering products that are widespread at the top of the basement have not been clearly identified. The reservoir properties of the studied rocks are probably due to fracturing and leaching.
ISSN:0145-8752
1934-8436
DOI:10.3103/S0145875219040069