In minor scale it also consists of vitrinite , inertinite , telalginite , and bitumen .
Lamosite is an olive - gray brown or dark gray to brownish black lacustrine - type oil shale , in which the chief organic constituent is lamalginite derived from lacustrine planktonic algae .
In minor scale Lamosite also consists of vitrinite , inertinite , telalginite , and bitumen .
Lamosite is an olive - gray brown or dark gray to brownish black lacustrine - type oil shale , in which the chief organic constituent is lamalginite derived from lacustrine planktonic algae .