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单词 ophiolite
释义

ophioliten.adj.

Brit. /ˈɒfɪəlʌɪt/, U.S. /ˈɑfioʊˌlaɪt/, /ˈoʊfioʊˌlaɪt/
Origin: Formed within English, by compounding. Etymons: ophio- comb. form, -lite comb. form1.
Etymology: < ophio- comb. form + -lite comb. form1. In sense A. 1 after French ophiolite (A. Brongniart 1813, in Jrnl. des mines 34 37). In sense A. 2, after German Ophiolithe, plural noun (G. Steinmann 1906, in Ber. der Naturforsch. Ges. zu Freiburg i. Br. 16 18).
A. n.
1. Mineralogy. Serpentine; an ornamental marble containing this; verd-antique. Obsolete.
ΘΚΠ
the world > the earth > minerals > types of mineral > silicates > phyllosilicate > [noun] > serpentine
serpentine1426
ophite1592
serpentine stone1662
viper-stone1741
serpent-stone1757
ophiolite1824
society > occupation and work > materials > raw material > stone or rock > [noun] > marble > made of serpentine, calcite and dolomite
verd-antique1745
verde antico1753
ophiolite1824
the world > the earth > structure of the earth > constituent materials > rock > metamorphic rock > [noun] > marble > serpentine
ophitesa1398
serpentine1426
ophite1592
serpentine marble1601
serpentine stone1662
viper-stone1741
verd-antique1745
verde antico1753
serpent-stone1757
ophiolite1824
ophicalcite1866
the world > the earth > minerals > types of mineral > silicates > phyllosilicate > [noun] > serpentine > mixed with other minerals
ophiolite1824
ophicalcite1866
1824 H. T. De la Beche tr. A. Brongniart Table Classif. Mixed Rocks in Sel. Geol. Mem. p. xiii Ophiolite. A paste of serpentine enveloping disseminated oxidulated iron and other accessory minerals.
1862 J. D. Dana Elem. Geol. viii. 82 Ophiolite (or verd-antique marble). A variegated mixture of serpentine and either carbonate of lime (calcareous ophiolite), dolomite (dolomitic ophiolite), or carbonate of magnesia or magnesite (magnesitic ophiolite).
1876 D. Page Adv. Text-bk. Geol. (ed. 6) viii. 158 The name serpentine, or its learned equivalents—ophite and ophiolite.
2. Geology. Any of a group of basic and ultrabasic igneous rocks, including serpentinite and serpentinized peridotite, gabbro, and diabase, which are thought to have been formed as a result of the submarine eruption of oceanic crustal and upper mantle material.
ΘΚΠ
the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [noun] > hypabyssal rocks
picrite1868
tinguaite1890
grorudite1896
hedrumite1896
heumite1901
plumasite1903
ophiolite1937
1937 A. L. Du Toit Our Wandering Continents viii. 168 There is a wide development in Morocco, Spain and the Alpine region of the so-called greenstones or ‘ophiolites’.
1951 M. L. Wolf Dict. Arts 481/1 The word ophiolite is employed by some authorities in describing the entire classification of all serpentines.
1972 Sci. Amer. May 66/3 The Ural and Appalachian-Caledonian mountain belts..have narrow zones where ophiolites are found.
1993 Jrnl. Petrol. 34 682 The picritic and tholeiitic rocks are geochemically similar to typical ocean-floor rocks and they represent in situ equivalents of ‘classic’ obducted ophiolites.
B. adj.
Geology. Designating a complex of ophiolites, pillow lava, and radiolarian chert occurring in a characteristic pattern of layers in the Alps and elsewhere.
ΚΠ
1963 Special Papers Geol. Soc. Amer. No. 73. 204 Throughout the Alpine-Himalayan system extensive lavas occur in close association with coarse mafic and ultramafic rocks... This assemblage is the ophiolite suite of Alpine writers.
1985 R. Thorpe & G. Brown Field Descr. Igneous Rocks i. 4 These rocks form a distinctive association which may be recognized in ancient orogenic belts, where it is termed the ophiolite association.
2001 Jrnl. Zool. 255 331 This area..[of New Guinea] is geologically distinctive in having several diverse accreted terranes juxtaposed there, including an ophiolite complex.
This entry has been updated (OED Third Edition, June 2004; most recently modified version published online March 2022).
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n.adj.1824
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