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单词 palaeocurrent
释义

> as lemmas

palaeocurrent
palaeocurrent n.
Brit. /ˈpalɪə(ʊ)kʌrənt/
,
/ˈpalɪə(ʊ)kʌrn̩t/
,
/ˈpeɪlɪə(ʊ)kʌrənt/
,
/ˈpeɪlɪə(ʊ)kʌrn̩t/
,
U.S. /ˈpeɪlioʊˌkərənt/
Geology a current, usually of water, which existed at some time in the past, as inferred from the features of sedimentary rocks.
ΘΚΠ
the world > the earth > water > flow or flowing > current > [noun]
currentc1380
veina1500
ford1563
tide1585
vein1600
draught1601
currency1758
stream-currenta1830
palaeocurrent1955
1955 Bull. Geol. Soc. Amer. 66 1606 (heading) Paleocurrents of Lake Superior Precambrian quartzites.
1971 Nature 28 May 245/2 A W.N.W. to N. palaeocurrent component predominates in the channel sandstones with pedogenic modification..occurring on most proximal floodplain deposits.
1987 R. L. Ciochon & A. B. Chiarelli in R. L. Ciochon & J. G. Fleagle Primate Evol. & Human Origins xv. 114 These patterns of paleocurrent flow in the Caribbean would argue strongly against rafting as a means of dispersal between preexisting volcanic island arcs.
extracted from palaeo-paleo-comb. form
<
as lemmas
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