eugeoclinaladj.
/ˌjuːdʒiːəʊˈklʌɪnəl/ Geology.
= eugeosynclinal adj.
ΘΚΠ
the world > the earth > structure of the earth > structural features > fold or dip > [adjective] > geosyncline
geosynclinal1873
orthogeosynclinal1941
eugeosynclinal1942
miogeosynclinal1942
parageosynclinal1951
miogeoclinal1971
eugeoclinal1972
1972 Sci. Amer. Mar. 30/3 True fossils are sparse, but many eugeoclinal sequences of the lower Paleozoic era contain graptolites.
1979 Nature 27 Sept. 267/1 These nappes..seem to represent a telescoping of Lower Palaeozoic facies from eugeoclinal rocks at the top of the pile in the west to miogeoclinal–paralic strata in lower sheets to the east.
Derivatives
euˈgeocline n. = eugeosyncline n. at eugeosynclinal adj. Derivatives.
ΘΚΠ
the world > the earth > structure of the earth > structural features > fold or dip > [noun] > geosyncline
geosynclinal1873
geosyncline1883
parageosyncline1923
orthogeosyncline1936
eugeosyncline1942
miogeosyncline1942
miogeocline1966
eugeocline1972
1972 Sci. Amer. Mar. 30/3 Collapsed eugeoclines in ancient folded mountains are..composed of thick and repetitive sequences of turbidites.
1976 Nature 15 Apr. 588/1 It resembles lithologically the siliceous facies of the early Palaeozoic eugeocline to the south-east.
This entry has not yet been fully updated (first published 1993; most recently modified version published online June 2018).
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adj.1972