What are the mrthods for identification of source rock maturation?

There are several methods to known the source rock maturation. In petroleum industry commonly used vitrinite reflectance, spore colour index, and Tmax methods. Loptin 1971, proposed one model called...

Magma.

Oil does not come from rock but is formed when living organisms (lots of them) are buried under high pressures and temperatures under the ground. So oil, is basically, recycled dead animals.

All matter, including rocks and their constituents, can be a source of energy. If a rock drops from an altitude, as would a meteorite, it is imbued with "kinetic energy," just like a bullet from a...

Bauxite.