authigenic

[ aw-thi-jen-ik ]
/ ˌɔ θɪˈdʒɛn ɪk /

adjective Geology.

(of a constituent of a rock) formed in the rock where it is found. Compare allogenic(def 1).

Origin of authigenic

1885–90; < German Authigen < Greek authigenḗs native to a specific place ( aûthi there + -genēs born) + -ic; see genic

Words nearby authigenic

authentic, authentical, authenticate, authenticator, authenticity, authigenic, author, author catalog, author's alteration, authoress, authoring

British Dictionary definitions for authigenic

authigenic
/ (ˌɔːθɪˈdʒɛnɪk) /

adjective

(of minerals) having crystallized in a sediment during or after deposition

Word Origin for authigenic

C19: from German authigene from Greek authigenēs native + -ic