你可以在火山岩中找到橄榄石。

You can find olivine in volcanic rocks.

地质学家在火山岩中发现了方沸石。

The geologist discovered analcime in the volcanic rock.

地质学家在火山岩中发现了一块大的白榴石晶体。

The geologist found a large leucite crystal in the volcanic rock.

火山岩包括黑曜岩火山玻璃.

Volcanic rock includes the volcanic glass obsidian.

玄武岩是最普通的火山岩。

Basalt is the commonest volcanic rock.

珍珠岩是处理过的膨胀火山岩.

The perlites are volcanic rock processed to yield an expanded form.

库鲁克塔格震旦纪火山岩构成一个典型的双峰值火山岩系，主要由酸性火山岩与基性火山岩组成，缺少中酸性火山岩。

The Sinian volcanics are typical bimodal volcanic rocks in Kuruktag area, which are consisted of acidic and basic volcanic rocks but with rare medium acidic one.

成因与古火山机构、次火山岩有密切关系。

Its origin has close relation with ancient volcanic agencies and sub-volcanic rocks.

火山岩原生和次生孔隙使其可成为储集层，在一定条件下可成为盖层。

The primary and secondary pores of volcanic rocks provided reservoir space there. Volcanic rock may become cap rock under certain conditions.

刺猬沟金矿，是我国典型的火山岩型金矿之一。

Ciweigou gold deposit is one of the typical volcanic rock gold deposits in the country.