Columbia subject headings:
Harvard subject headings:
Bitumen--Geology.
Bitumen--Russia (Federation)--Siberia, Northeastern.
Geology, Stratigraphic--Cambrian
Geology, Structural.
Schistosity.
Shale--Russia (Federation)--Siberia, Northeastern.
Princeton subject headings:
Bitumen--Russia (Federation)--Siberia, Northeastern.
Carbonate rocks--Russia (Federation)--Siberia, Northeastern.
Geology, Structural.
Shale--Russia (Federation)--Siberia, Northeastern.