英语释义

• a gray volcanic rock containing plagioclase and quartz and other crystalline minerals

片语

biotite dacite黑云英安巖

dacite volcanic英安质火山巖

dacite dac英安巖

pyroxene dacite辉石英安巖

trachy dacite粗面英安巖

dacite e英安巖

hornblende dacite角闪英安巖

dacite glass[地质]

英汉例句

• Located in the western part of North Qilian Mountains and composed of 12 small intrusions, Chelugou dacite porphyry shows petrochemically to be calialkelinic series.

  车路沟英安斑巖产于北祁连山西段，由大小不同的12个斑巖巖体组成，属于钙堿性系列巖石。

• Scientists have long believed that dacite can separate from basaltic magma to form granitic rocks. But they'd never.

  科学家们一直认为英安巖可以从玄武质的巖浆中分离出来形成花岗巖，但他们从没奢望能在可操作的情况下看到这一过程。

• They include mainly high-alumina basalt, basaltic andesite, a few of andesite and dacite as well, belonging to calc alkaline series but somewhat tholeiitic series in the early stage.

  它们属于同一钙堿性巖浆演化系列，其中高铝玄武巖是其它火山巖的母巖。

• Its genesis is related to volcanic eruption and dacite porphyry intrusion. And it has some characteristics of porphyry Cu deposit.

  成因上与火山喷发、英安斑巖体侵入作用有关，具有斑巖铜矿的一些特征。

• Studies of petrology and elemental geochemistry indicate that the Xiangshan uranium ore-field dacite porphyry belongs to intra-plate shoshonitic rock type and is a kind of shoshonitic dacite porphyry.

  巖石学、元素地球化学研究表明，相山铀矿田的英安斑巖属于板内型钾玄质巖类，为钾玄质英安斑巖。