orthogeosynclinen.

Brit.

/ˌɔːθə(ʊ)dʒiːə(ʊ)ˈsɪŋklʌɪn/, U.S.

/ˈˌɔrθoʊˌdʒioʊˈsɪŋˌklaɪn/

Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: ortho- comb. form, geosyncline n.

Etymology: < ortho- comb. form + geosyncline n., after German Orthogeosynklinale (H. Stille 1935, in Sitzungsber. der Preuss. Akad. der Wissensch.: Phys.-Math. Kl. 182, the source translated in quot. 1936 at main sense).

Geology. Now rare.

A linear geosyncline situated between a continental and an oceanic craton, typically comprising a miogeosyncline and an adjacent eugeosyncline.With the rise of the plate-tectonic model from the 1960s, the concept of geosynclines has been regarded as obsolete by most geologists.

ΘΚΠ

the world > the earth > structure of the earth > structural features > fold or dip > [noun] > geosyncline

geosynclinal1873

geosyncline1883

parageosyncline1923

orthogeosyncline1936

eugeosyncline1942

miogeosyncline1942

miogeocline1966

eugeocline1972

1936 Bull. Amer. Assoc. Petroleum Geologists 20 853 Although the orogenic movements took place at the same time in different areas, they were strong (Alpine type) only in certain mobile belts which had developed as orthogeosynclines [Ger. Orthogeosynklinalen].

1951 Mem. Geol. Soc. Amer. 48 88 The later Devonian and Carboniferous are of argillite and graywacke when detritus could reach the subsiding structural basin from distant highlands of rocks laid in orthogeosynclines.

1968 R. W. Fairbridge Encycl. Geomorphol. 35 ‘Pacific’ tectonics are those associated with contemporary orthogeosynclines, island arcs, oceanic trenches and active foredeeps.

Derivatives

ˌorthogeosynˈclinal adj.

ΘΚΠ

the world > the earth > structure of the earth > structural features > fold or dip > [adjective] > geosyncline

geosynclinal1873

orthogeosynclinal1941

eugeosynclinal1942

miogeosynclinal1942

parageosynclinal1951

miogeoclinal1971

eugeoclinal1972

1941 Bull. Amer. Assoc. Petroleum Geologists 25 1403 The influx of orthogeosynclinal clastics into the Artinskian parageosyncline (in the sense of Stille) is comparable with the invasion of Ouachita-derived geosynclinal sediments into the base of the Strawn in the Oklahoman geosyncline.

1975 McGraw-Hill Yearbk. Sci. & Technol. 223/1 The orthogeosynclinal belts of Stille and Kay have come to be understood as an assemblage of crustal features related to continental shelf subsidence.

This entry has been updated (OED Third Edition, September 2004; most recently modified version published online March 2022).

单词	orthogeosyncline
释义	orthogeosynclinen. Brit. /ˌɔːθə(ʊ)dʒiːə(ʊ)ˈsɪŋklʌɪn/, U.S. /ˈˌɔrθoʊˌdʒioʊˈsɪŋˌklaɪn/ Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: ortho- comb. form, geosyncline n. Etymology: < ortho- comb. form + geosyncline n., after German Orthogeosynklinale (H. Stille 1935, in Sitzungsber. der Preuss. Akad. der Wissensch.: Phys.-Math. Kl. 182, the source translated in quot. 1936 at main sense). Geology. Now rare. A linear geosyncline situated between a continental and an oceanic craton, typically comprising a miogeosyncline and an adjacent eugeosyncline.With the rise of the plate-tectonic model from the 1960s, the concept of geosynclines has been regarded as obsolete by most geologists. ΘΚΠ the world > the earth > structure of the earth > structural features > fold or dip > [noun] > geosyncline geosynclinal1873 geosyncline1883 parageosyncline1923 orthogeosyncline1936 eugeosyncline1942 miogeosyncline1942 miogeocline1966 eugeocline1972 1936 Bull. Amer. Assoc. Petroleum Geologists 20 853 Although the orogenic movements took place at the same time in different areas, they were strong (Alpine type) only in certain mobile belts which had developed as orthogeosynclines [Ger. Orthogeosynklinalen]. 1951 Mem. Geol. Soc. Amer. 48 88 The later Devonian and Carboniferous are of argillite and graywacke when detritus could reach the subsiding structural basin from distant highlands of rocks laid in orthogeosynclines. 1968 R. W. Fairbridge Encycl. Geomorphol. 35 ‘Pacific’ tectonics are those associated with contemporary orthogeosynclines, island arcs, oceanic trenches and active foredeeps. Derivatives ˌorthogeosynˈclinal adj. ΘΚΠ the world > the earth > structure of the earth > structural features > fold or dip > [adjective] > geosyncline geosynclinal1873 orthogeosynclinal1941 eugeosynclinal1942 miogeosynclinal1942 parageosynclinal1951 miogeoclinal1971 eugeoclinal1972 1941 Bull. Amer. Assoc. Petroleum Geologists 25 1403 The influx of orthogeosynclinal clastics into the Artinskian parageosyncline (in the sense of Stille) is comparable with the invasion of Ouachita-derived geosynclinal sediments into the base of the Strawn in the Oklahoman geosyncline. 1975 McGraw-Hill Yearbk. Sci. & Technol. 223/1 The orthogeosynclinal belts of Stille and Kay have come to be understood as an assemblage of crustal features related to continental shelf subsidence. This entry has been updated (OED Third Edition, September 2004; most recently modified version published online March 2022). < n.1936
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