authigenic

authigenic [aw-thi-jen-ik] WORD ORIGIN adjective Geology. (of a constituent of a rock) formed in the rock where it is found.Compare allogenic(def 1). Liberaldictionary.com

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Origin of authigenic 1885–90; German Authigen Greek authigenḗs native to a specific place (aûthi there + -genēs born) + -ic; see genic Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019 British Dictionary definitions for authigenic authigenic 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 Collins English Dictionary – Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012