ankaramiten.

/æŋkəˈreɪmaɪt/

Etymology: < French ankaramite (Lacroix 1916, in Comptes Rendus CLXIII. 182), < Ankaramy in Madagascar: see -ite suffix¹.

A melanocratic basaltic rock (see quots.).

ΘΚΠ

the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [noun] > trap > basalt > other basaltic

bluestone1849

palagonite1851

tholeiite1866

tachylite1868

anamesite1876

dhu stone1879

hyalomelan1879

tephrite1879

shoshonite1895

pseudotachylite1917

ankaramite1926

oceanite1926

1926 G. W. Tyrrell Princ. Petrol. vi. 129 Some basaltic types..need to be distinguished from basalts proper... When augite is the predominant mafic mineral the term ankaramite (Ankaramy, Madagascar) is applied.

1933 R. A. Daly Igneous Rocks & Depths of Earth xvi. 398 The ankaramites appear to be analogous mixtures of approximately basaltic liquid with concentrated crystals of pyroxene.

1939 Geogr. Jrnl. 94 134 Other basic lavas of which ankaramite is one notable type.

1946 Nature 3 Aug. 172/1 The commonest rock-type is trachybasalt, accompanied by variations in the ultra-basic direction through olivine-rich trachybasalt and ankaramite to limburgite.

Draft additions 1997

ankaraˈmitic adj. of the nature of or containing ankaramite.

ΘΚΠ

the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [adjective] > trap > basalt > other basaltic

palagonitic1867

tachylitic1888

tephritic1889

nephelinitic1909

spilitic1911

tholeiitic1922

shoshonitic1937

ankaramitic1971

1971 Nature 23 Apr. 510/2 The lavas comprise a succession of alkali-olivine basalts, basanites, and mugearites; ankaramitic varieties are common.

1975 Nature 9 Oct. 469/2 All of those rocks are traversed by a swarm of dominantly basaltic and ankaramitic dykes.

1990 Jrnl. Petrol. 31 747 The ankaramitic parent magma composition is calculated from the most primitive olivine phenocryst composition.

This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2011).

单词	ankaramite
释义	ankaramiten. /æŋkəˈreɪmaɪt/ Etymology: < French ankaramite (Lacroix 1916, in Comptes Rendus CLXIII. 182), < Ankaramy in Madagascar: see -ite suffix¹. A melanocratic basaltic rock (see quots.). ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [noun] > trap > basalt > other basaltic bluestone1849 palagonite1851 tholeiite1866 tachylite1868 anamesite1876 dhu stone1879 hyalomelan1879 tephrite1879 shoshonite1895 pseudotachylite1917 ankaramite1926 oceanite1926 1926 G. W. Tyrrell Princ. Petrol. vi. 129 Some basaltic types..need to be distinguished from basalts proper... When augite is the predominant mafic mineral the term ankaramite (Ankaramy, Madagascar) is applied. 1933 R. A. Daly Igneous Rocks & Depths of Earth xvi. 398 The ankaramites appear to be analogous mixtures of approximately basaltic liquid with concentrated crystals of pyroxene. 1939 Geogr. Jrnl. 94 134 Other basic lavas of which ankaramite is one notable type. 1946 Nature 3 Aug. 172/1 The commonest rock-type is trachybasalt, accompanied by variations in the ultra-basic direction through olivine-rich trachybasalt and ankaramite to limburgite. Draft additions 1997 ankaraˈmitic adj. of the nature of or containing ankaramite. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [adjective] > trap > basalt > other basaltic palagonitic1867 tachylitic1888 tephritic1889 nephelinitic1909 spilitic1911 tholeiitic1922 shoshonitic1937 ankaramitic1971 1971 Nature 23 Apr. 510/2 The lavas comprise a succession of alkali-olivine basalts, basanites, and mugearites; ankaramitic varieties are common. 1975 Nature 9 Oct. 469/2 All of those rocks are traversed by a swarm of dominantly basaltic and ankaramitic dykes. 1990 Jrnl. Petrol. 31 747 The ankaramitic parent magma composition is calculated from the most primitive olivine phenocryst composition. This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2011). < n.1926
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