ijoliten.

/ˈiːjəʊlʌɪt/

Etymology: < German ijolith (Ramsay & Berghell 1891, in Geol. Föreningens i Stockholm Förhandl. XIII. 304), < Ijo , Swedish rendering of Finnish Ii , the name of a village and district on the Finnish coast near Oulu and also the initial element in the names of local geographic features, as Iijärvi , Iijoki , Iivaara : see -lite comb. form¹.

Geology.

A plutonic igneous rock consisting essentially of nepheline and pyroxene and containing no felspar.

ΘΚΠ

the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [noun] > plutonic rocks > ijolite

ijolite1897

urtite1909

1897 A. Harker Petrol. (ed. 2) 52 The ‘ijolite’ of Ramsay and Berghell from Finland, a nepheline-pyroxene-rock free from felspar but sometimes rich in garnet.

1962 W. T. Huang Petrol. iv. 139 Much of the ijolite on Alnö Island, Sweden, and Magnet Cove, Arkansas, contains abundant melanite garnet.

Derivatives

ijoˈlitic adj. resembling or of the nature of ijolite.

ΘΚΠ

the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [adjective] > plutonic > ijolite

ijolitic1938

1938 Mineral Abstr. 7 36 Masses of limestone and ijolitic intrusives.

1954 H. Williams et al. Petrogr. iv. 72 Most of these ijolitic rocks..owe their characteristics largely to contamination of magma by assimilation of limestone.

1966 R. L. Johnson in Tuttle & Gittins Carbonatites i. 221 Here there are a number of carbonatite complexes, which include granites, syenites, nepheline syenites and small amounts of ijolitic rocks within their limits.

This entry has not yet been fully updated (first published 1933; most recently modified version published online June 2021).

单词	ijolite
释义	ijoliten. /ˈiːjəʊlʌɪt/ Etymology: < German ijolith (Ramsay & Berghell 1891, in Geol. Föreningens i Stockholm Förhandl. XIII. 304), < Ijo , Swedish rendering of Finnish Ii , the name of a village and district on the Finnish coast near Oulu and also the initial element in the names of local geographic features, as Iijärvi , Iijoki , Iivaara : see -lite comb. form¹. Geology. A plutonic igneous rock consisting essentially of nepheline and pyroxene and containing no felspar. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [noun] > plutonic rocks > ijolite ijolite1897 urtite1909 1897 A. Harker Petrol. (ed. 2) 52 The ‘ijolite’ of Ramsay and Berghell from Finland, a nepheline-pyroxene-rock free from felspar but sometimes rich in garnet. 1962 W. T. Huang Petrol. iv. 139 Much of the ijolite on Alnö Island, Sweden, and Magnet Cove, Arkansas, contains abundant melanite garnet. Derivatives ijoˈlitic adj. resembling or of the nature of ijolite. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [adjective] > plutonic > ijolite ijolitic1938 1938 Mineral Abstr. 7 36 Masses of limestone and ijolitic intrusives. 1954 H. Williams et al. Petrogr. iv. 72 Most of these ijolitic rocks..owe their characteristics largely to contamination of magma by assimilation of limestone. 1966 R. L. Johnson in Tuttle & Gittins Carbonatites i. 221 Here there are a number of carbonatite complexes, which include granites, syenites, nepheline syenites and small amounts of ijolitic rocks within their limits. This entry has not yet been fully updated (first published 1933; most recently modified version published online June 2021). < n.1897
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