doleriten.

Brit.

/ˈdɒlərʌɪt/, U.S.

/ˈdɑləˌraɪt/

Etymology: < French dolérite (Haüy), < Greek δολερός deceptive + -ite suffix¹: so called from the difficulty of discriminating its constituents.

Mineralogy.

A mineral allied to basalt, containing feldspar (labradorite) and augite.

ΚΠ

1838 C. Lyell Elem. Geol. (1865) 594 The variety of basalt called dolerite.

1849 R. I. Murchison Siluria xii. 294 Cut through by dykes and masses of dolerite.

1879 F. Rutley Study of Rocks xiii. 253 The basalts vary considerably in structure: the coarsely crystalline varieties, and those in which the different mineral constituents are sufficiently well developed to be distinguished by the naked eye, are termed dolerites.

attributive.1880 L. Oliphant Land of Gilead iii. 82 A small building of dolerite stone..bearing the marks of extreme antiquity.

Derivatives

doleˈritic adj. of the nature of dolerite.

ΚΠ

1849 R. I. Murchison Siluria xii. 293 Basalt and doleritic trap.

1868 J. D. Dana Syst. Mineral. (ed. 5) 343 Dolerytic and basaltic lavas.

This entry has not yet been fully updated (first published 1897; most recently modified version published online March 2022).

单词	dolerite
释义	doleriten. Brit. /ˈdɒlərʌɪt/, U.S. /ˈdɑləˌraɪt/ Etymology: < French dolérite (Haüy), < Greek δολερός deceptive + -ite suffix¹: so called from the difficulty of discriminating its constituents. Mineralogy. A mineral allied to basalt, containing feldspar (labradorite) and augite. ΚΠ 1838 C. Lyell Elem. Geol. (1865) 594 The variety of basalt called dolerite. 1849 R. I. Murchison Siluria xii. 294 Cut through by dykes and masses of dolerite. 1879 F. Rutley Study of Rocks xiii. 253 The basalts vary considerably in structure: the coarsely crystalline varieties, and those in which the different mineral constituents are sufficiently well developed to be distinguished by the naked eye, are termed dolerites. attributive.1880 L. Oliphant Land of Gilead iii. 82 A small building of dolerite stone..bearing the marks of extreme antiquity. Derivatives doleˈritic adj. of the nature of dolerite. ΚΠ 1849 R. I. Murchison Siluria xii. 293 Basalt and doleritic trap. 1868 J. D. Dana Syst. Mineral. (ed. 5) 343 Dolerytic and basaltic lavas. This entry has not yet been fully updated (first published 1897; most recently modified version published online March 2022). < n.1838
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