pulaskiten.

Brit.

/pəˈlaskʌɪt/, U.S.

/pəˈlæˌskaɪt/

Origin: From a proper name, combined with an English element. Etymons: proper name Pulaski , -ite suffix¹.

Etymology: < Pulaski, the name of a county in Arkansas, United States + -ite suffix¹ (see quot. 1891).

Geology.

An alkali syenite containing a small proportion of nepheline.

ΘΚΠ

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

miaskite1840

uralite-syenite1868

foyaite1878

nepheline-syenite1885

pulaskite1891

nordmarkite1892

larvikite1895

shonkinite1895

1891 J. F. Williams in Ann. Rep. Arkansas Geol. Surv. 1890 II. iv. 56 Such a rock has not as yet been described and the writer suggests the name pulaskite—that of Pulaski county in which the city of Little Rock and Fourche Mountain are located—as a designation for this type of rock.

1924 Amer. Fern Jrnl. 14 38 Fourche Mountain is an igneous intrusive formation composed of Pulaskite rock.

1954 C. E. Tilley et al. Harker's Petrol. (ed. 8) iii. 47 In Sutherland the intrusions of Loch Ailsh and Ben Loyal are built in part of pulaskite with aegirine-augite as the chief dark mineral along with perthitic alkali felspars.

1998 European Jrnl. Mineral. 10 207 The mineral [sc. kentbrooksite] occurs in alkaline pegmatitic bodies cutting pulaskite rocks and is found as anhedral to subhedral aggregates.

This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022).

单词	pulaskite
释义	pulaskiten. Brit. /pəˈlaskʌɪt/, U.S. /pəˈlæˌskaɪt/ Origin: From a proper name, combined with an English element. Etymons: proper name Pulaski , -ite suffix¹. Etymology: < Pulaski, the name of a county in Arkansas, United States + -ite suffix¹ (see quot. 1891). Geology. An alkali syenite containing a small proportion of nepheline. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > igneous rock > [noun] > plutonic rocks > syenite > varieties of miaskite1840 uralite-syenite1868 foyaite1878 nepheline-syenite1885 pulaskite1891 nordmarkite1892 larvikite1895 shonkinite1895 1891 J. F. Williams in Ann. Rep. Arkansas Geol. Surv. 1890 II. iv. 56 Such a rock has not as yet been described and the writer suggests the name pulaskite—that of Pulaski county in which the city of Little Rock and Fourche Mountain are located—as a designation for this type of rock. 1924 Amer. Fern Jrnl. 14 38 Fourche Mountain is an igneous intrusive formation composed of Pulaskite rock. 1954 C. E. Tilley et al. Harker's Petrol. (ed. 8) iii. 47 In Sutherland the intrusions of Loch Ailsh and Ben Loyal are built in part of pulaskite with aegirine-augite as the chief dark mineral along with perthitic alkali felspars. 1998 European Jrnl. Mineral. 10 207 The mineral [sc. kentbrooksite] occurs in alkaline pegmatitic bodies cutting pulaskite rocks and is found as anhedral to subhedral aggregates. This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022). < n.1891
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