| 单词 | dolerite |
| 释义 | Word Frequency dolerite(ˈdɒləˌraɪt) noun 1. a dark basic intrusive igneous rock consisting of plagioclase feldspar and a pyroxene, such as augite; often emplaced in dykes 2. any dark igneous rock whose composition cannot be determined with the naked eye Derived forms doleritic (ˌdɒləˈrɪtɪk) adjective Word origin C19: from French dolérite, from Greek doleros deceitful; so called because of the difficulty of determining its composition |
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