When magma cools, it forms igneous rock.

当岩浆冷却时，它形成火成岩。

The geologist studied the igneous rock samples collected from the volcano.

地质学家研究了从火山收集的火成岩样本。

Trap rock is a form of plutonic igneous rock.

暗色岩是一种火成岩.

Topaz occurs in the igneous rock rhyolite.

黄晶通常产于火成岩岩石纹。

A dark, fine - grained igneous rock; diabase.

粗玄岩，辉绿岩一种暗色微粒火成岩；

Igneous rock reservoirs are characterized by their extensive distribution, long geologic time and no exclusiveness of rock types.

火成岩油气储层具有分布范围广、地质时代长、不具岩石类型的专属性。

The horizontal lines across the top half of the image are intrusions of igneous rock, where magma poked up to the surface from deep underground

照片的上半部是火成岩，由地球深处涌出地面的岩浆形成。

Igneous rock produced by eruption and solidified on or near the earth's surface; rhyolite or andesite or basalt.

火成岩产生于火山喷发和在地表或接近地表的地方凝固；流纹岩或安山岩或玄武岩的。

This paper describes the technique employed in searching for concealed igneous rock (ore) bodies in metallic ore districts and the achievements gained.

提供了地震勘探方法在金属矿区寻找隐伏火成岩（矿）体的应用技术和地质成果。

A usually coarse - grained igneous rock composed chiefly of calcic plagioclase and pyroxene.

一种辉石矿物,由锂铝硅酸盐组成,是锂的来源.