Hypogene

Webster's Revised Unabridged Dictionary

Hypogene
(Geol) Formed or crystallized at depths beneath the earth's surface; -- said of granite, gneiss, and other rocks, whose crystallization is believed of have taken place beneath a great thickness of overlying rocks. Opposed to epigene.

Century Dictionary and Cyclopedia

hypogene
Produced or formed under or below (the earth's surface); netherformed; specifically, in geology, said of rocks which have assumed their present form and structure beneath the surface; Plutonic: a term applied more especially to the granitic rocks: opposed to epigene.

Chambers's Twentieth Century Dictionary

(adj) Hypogene
hī′po-jēn (geol.) of or pertaining to rocks which have assumed their present structure under the surface, plutonic
Hypogene
opp. to Epigene

Etymology

Webster's Revised Unabridged Dictionary Pref. hypo-, + the root of Gr. to be born: cf. F. hypogène,

Usage in literature

I was amazed at my collection, which comprised the greater number of the hypogenous fungi of the neighbourhood. "Social Life in the Insect World" by J. H. Fabre

Hypogene ores are dominantly primary, and supergene ores are dominantly secondary, but either may include both primary and secondary ores. "The Economic Aspect of Geology" by C. K. Leith

Hypogene strata, or gneiss, mica schist, &c., with granite veins. "A Manual of Elementary Geology" by Charles Lyell

Among the hypogene forces in geological dynamics an important place must be assigned to movements of the terrestrial crust. "Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6" by Various