- A solid, waxy, organic substance that
forms when pressure and heat from the Earth act on the
remains of plants and animals. Kerogen converts to
various liquid and gaseous hydrocarbons at a depth of 7 or
more kilometers and a temperature between 50� and 100�C.
- a. A term generally used for organic matter in sedimentary rocks that is
insoluble in common organic and inorganic solvents.
b. The solid, organic substance in shales that yields oil when the shales
undergo destructive distillation.
Dictionary of Mining, Mineral, and Related Terms