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单词 ensialic
释义

ensialicadj.

/ɛnsʌɪˈalɪk/
Etymology: < en- prefix1 + sialic adj.1
Geology.
Originating or occurring in or on sialic material; of or pertaining to such structures or phenomena.
ΚΠ
1949 F. G. Wells in Bull. Geol. Soc. Amer. LX. 1927 (heading) Ensimatic and ensialic geosynclines.
1949 F. G. Wells in Bull. Geol. Soc. Amer. LX. 1927 The terms ensialic and ensimatic are proposed to designate these distinctly different types [of deposit in geosynclines].
1960 Gloss. Geol. (Amer. Geol. Inst.) (ed. 2) 96/2 Ensialic geosyncline, a geosyncline that forms on a floor composed of sial..and is composed largely of sediments derived from the weathering of the crust.
1972 Sci. Amer. Mar. 34/3 The plate-tectonic version of the geosynclinal cycle predicts that miogeoclines are ensialic, or laid down on continental crust (sial).
1976 Tectonophysics XL. 101 (heading) Precambrian mobile belts of southern and eastern Africa: ancient sutures or sites of ensialic mobility?
1979 Nature 15 Mar. 223/1 A controversial subject in orogenesis is whether plate tectonics had an important role in the Proterozoic or whether in situ ensialic models fit the facts in the best way.
This entry has not yet been fully updated (first published 1989; most recently modified version published online June 2018).
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adj.1949
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