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单词 allothigenic
释义

allothigenic

/əˌlɒθɪˈdʒɛnɪk/
Geology
adjective
Of a mineral: older than the rock or deposit of which it forms part. Contrasted with authigenic.

Origin

Late 19th century; earliest use found in Frederick Hatch (1864–1932), geologist and mining engineer. From German allothigen (E. Kalkowsky 1880, in Neues Jahrb. f. Mineralogie 1 4; from ancient Greek ἄλλοθι elsewhere (from ἄλλος other + -θι, suffix forming adverbs) + German -gen: see -genic) + -ic.

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更新时间:2024/12/23 1:30:16