dacite是什么意思，dacite的意思翻译、用法、同义词、例句

n. [岩] 英安岩；石英安山石

In addition, researchers found that the magma is made of dacite, a type of rock that's a precursor to granite.

另外，研究者发现这里的岩浆的成分是英安岩而不是构成夏威夷主体的玄武岩。英安岩是花岗岩的前身。

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岩可以从玄武质的岩浆中分离出来形成花岗岩，但他们从没奢望能在可操作的情况下看到这一过程。

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、英安斑岩体侵入作用有关，具有斑岩铜矿的一些特征。

The altered minerals tend to occur around the dacite-porphyry domes and spatially display alteration zoning as a conduit in the upper p…

矿化蚀变由于受不同成矿作用和不同性质流体的影响，并存在区域变质和动力变质作用，故蚀…

The volcanic rocks in the study area all belong to sub alkaline series including olivine basalt, andesite and dacite, from basic to intermediate, and to acid.

研究区内火山岩从基性—中性—中酸性都有出露，包括橄榄玄武岩、安山岩和英安岩，且都属于非碱性系列。