shoshoniten.

/ʃəʊˈʃəʊnʌɪt/

Etymology: < the name of the Shoshone River, Wyoming (compare Shoshone n. and adj.) + -ite suffix¹.

Geology.

A type of basaltic rock varying quite widely in composition and distinguished by containing, in addition to augite, labradorite, and usually olivine, significant amounts of potassium feldspar.

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

1895 J. P. Iddings in Jrnl. Geol. (Chicago) 3 938 The classes will be described in the order just given under the names: Absarokite, Shoshonite and Banakite.

1895 J. P. Iddings in Jrnl. Geol. (Chicago) 3 943 The rocks classed as shoshonites are more numerous than the absarokites, and embrace a somewhat wider range of composition. They occupy the middle ground, as it were, in the series.

1937 Holmes & Harwood Volcanic Area of Bufumbira (Mem. Geol. Surv. Uganda No. 3) xii. 269 The xenoliths of the shoshonites of Sabinyo include aggregates referable to kentallenite and olivine-monzonite.

1976 Nature 12 Feb. 472/1 The calc-alkaline lavas..range from ‘normal’ basalts, basaltic-andesites and andesites to highly potassic varieties having all the compositional and modal characteristics of shoshonites.

Derivatives

shoshoˈnitic adj. resembling or consisting of shoshonite.

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

1937 Holmes & Harwood Volcanic Area of Bufumbira (Mem. Geol. Surv. Uganda No. 3) ii. 16 These rocks are more feldspathic than the shoshonitic absarokites of Muhavura and Mgahinga.

1964 G. A. Joplin Petrogr. Austral. Igneous Rocks vii. 90 The different shoshonitic rocks show many common characteristics.

This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018).

单词	shoshonite
释义	shoshoniten. /ʃəʊˈʃəʊnʌɪt/ Etymology: < the name of the Shoshone River, Wyoming (compare Shoshone n. and adj.) + -ite suffix¹. Geology. A type of basaltic rock varying quite widely in composition and distinguished by containing, in addition to augite, labradorite, and usually olivine, significant amounts of potassium feldspar. 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 1895 J. P. Iddings in Jrnl. Geol. (Chicago) 3 938 The classes will be described in the order just given under the names: Absarokite, Shoshonite and Banakite. 1895 J. P. Iddings in Jrnl. Geol. (Chicago) 3 943 The rocks classed as shoshonites are more numerous than the absarokites, and embrace a somewhat wider range of composition. They occupy the middle ground, as it were, in the series. 1937 Holmes & Harwood Volcanic Area of Bufumbira (Mem. Geol. Surv. Uganda No. 3) xii. 269 The xenoliths of the shoshonites of Sabinyo include aggregates referable to kentallenite and olivine-monzonite. 1976 Nature 12 Feb. 472/1 The calc-alkaline lavas..range from ‘normal’ basalts, basaltic-andesites and andesites to highly potassic varieties having all the compositional and modal characteristics of shoshonites. Derivatives shoshoˈnitic adj. resembling or consisting of shoshonite. 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 1937 Holmes & Harwood Volcanic Area of Bufumbira (Mem. Geol. Surv. Uganda No. 3) ii. 16 These rocks are more feldspathic than the shoshonitic absarokites of Muhavura and Mgahinga. 1964 G. A. Joplin Petrogr. Austral. Igneous Rocks vii. 90 The different shoshonitic rocks show many common characteristics. This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018). < n.1895
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