“authigenic”的英文意思_释义_用法

单词

authigenic

释义

authigenic, a. Geol.|ɔːθɪˈdʒɛnɪk|
[ad. G. authigene (E. Kalkowsky 1880, in Neues Jahrb. f. Mineralogie 4), f. Gr. αὐθιγενής born on the spot, native + -ic.]
Originating where found (see quots.). Cf. allothigenic a.
1888F. H. Hatch in J. J. H. Teall Brit. Petrogr. (Gloss.), Authigenic, a term applied by Kalkowsky to a mineral constituent, to denote that it came into existence with, or after, the rock containing it.1890C. R. Van Hise in Bull. Geol. Soc. Amer. I. 231 It has been seen that much if not all of the mica is authigenic.1893A. Geikie Text-bk. Geol. (ed. 3) 65 Such crystals, which are obviously more ancient than those forming the general mass of the rock, have been called allogenic, while those which belong to the time of formation of the rock, or to some subsequent change within the rock, are known as authigenic.

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