elkerite

English

Noun

elkerite (plural elkerites)

1. (mineralogy) A subgroup of pyrobitumens rich in oxygen and partly soluble in alkali, resembling an earthy brown coal and probably representing a product of intense weathering of bitumens.

References

• United States Bureau of Mines, Dictionary of Mining, Mineral, and Related Terms (1996).

Anagrams

• treelike