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单词 parautochthonous
释义

parautochthonousadj.

Brit. /ˌparɔːˈtɒkθənəs/, /ˌparɔːˈtɒkθn̩əs/, U.S. /ˌpɛrɔˈtɑkθənəs/, /ˌpɛrɑˈtɑkθənəs/
Forms: 1900s– para-autochthonous, 1900s– parautochthonous.
Origin: Formed within English, by derivation; modelled on a German lexical item. Etymons: para- prefix1, autochthonous adj.
Etymology: < para- prefix1 + autochthonous adj., after German parautochthon (1914 or earlier).
Geology.
Intermediate in character between autochthonous and allochthonous; formed from material that has been transported or displaced a relatively short distance.
ΘΚΠ
the world > the earth > structure of the earth > structural features > [adjective] > by origin in place
residual1876
allochthonous1888
authigenic1888
authigenous1889
autochthonous1891
parautochthonous1927
1927 L. W. Collet Struct. Alps i. vi. 20 The Morcles Nappe and similar parautochthonous folds.
1962 H. H. Read & J. Watson Introd. Geol. I. x. 580 Parautochthonous granites have travelled only a short distance from their place of origin.
1970 Geogr. Jrnl. 136 172 Wadia produced a succession of papers on Kashmir.., from near Nanga Parbat to the Kotli and Riasi inliers of para-autochthonous Sirban limestone.
1991 R. Goldring Fossils in Field i. 4 The muddy oolite also displays an autochthonous/parautochthonous biota of infaunal bivalves and the irregular echinoid Nucleolites scutatus.
This entry has been updated (OED Third Edition, June 2005; most recently modified version published online March 2022).
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adj.1927
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