authigenic

adjective

au·​thi·​gen·​ic

¦ȯthə¦jenik

variants or authigenous

(ˈ)ȯ¦thijənəs

: formed where found

—used of mineral particles of rocks formed by crystallization in the place they occupy

—opposed to allothogenic

Word History

Etymology

German authigen authigenic (from Greek authigenēs born in that place, native, from authi there + -genēs born) + English -ic or -ous; akin to Greek au again

First Known Use

circa 1888, in the meaning defined above

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