Open AccessPaleogeography of the Bazhenov formation of West Siberia according to the distribution of rare earth elements
Author(s) -
К. С. Иванов,
V. A. Volkov,
N. V. Vakhrusheva
Publication year - 2019
Publication title -
doklady akademii nauk. rossijskaâ akademiâ nauk
Language(s) - English
Resource type - Journals
ISSN - 0869-5652
DOI - 10.31857/s0869-56524882181-184
Subject(s) - geology , oil shale , sedimentation , geochemistry , paleontology , deep water , oceanography , sediment
The Bazhenov formation is presented by the Late Jurassic black shales. Russia is on the first place on the reserves of “shale oil” that is mostly connected with the Bazhenov formation. For the reconstructions of sedimentation environments of the main types of the formation rocks the REE distributions have been used. The results point out to the formation of the Bazhenov deposits in relatively shallow environments - within the limits of inner and outer shelf of the epicontinental sea, the type of the Kara or East-Siberian Sea, relatively deep-water part of which is located north of the Latitudinal Priobye. These results confirm some previous estimates, but have been obtained on the base of quite different independent data. The geochemical study of different types of rocks of the Bazhenov formation gave the identical results that testify in favor of reliability of the results obtained.