Marine shales consist of three varieties, namely Kukersite, Tasmanite, and Marinite.
2.
Tasmanite the mineral named after Tasmania is in Dana's classification as an Oxygenated hydrocarbon.
3.
Tasmanite, named after Tasmania, is a brown to black oil shale whose organic matter consists of telalginite derived chiefly from unicellular tasmanitid algae of marine origin.
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