Pyrobitumen

Pyrobitumen
Pyrobitumen
	Classification System for Bitumens as Adapted from Abraham and Curiale
General
Category	Organic matter
Colour	Variable

Pyrobitumen is a type of solid, amorphous organic matter. Pyrobitumen is mostly insoluble in carbon disulfide and other organic solvents as a result of molecular cross-linking, which renders previously soluble organic matter (i.e., bitumen) insoluble.^[1]^[2] Not all solid bitumens are pyrobitumens, in that some solid bitumens (e.g., gilsonite) are soluble in common organic solvents, including CS
₂, dichloromethane, and benzene-methanol mixtures.

^ B. P. Tissot and D. H. Welte (1984) Petroleum Formation and Occurrence, 2nd ed., Springer-Verlag, pp. 460–463.
^ J. M. Hunt, Petroleum Geochemistry and Geology, 2nd ed., Freeman, 1996, p. 437.

[1] B. P. Tissot and D. H. Welte (1984) Petroleum Formation and Occurrence, 2nd ed., Springer-Verlag, pp. 460–463.

[2] J. M. Hunt, Petroleum Geochemistry and Geology, 2nd ed., Freeman, 1996, p. 437.

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Pyrobitumen

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