火成岩和变质岩比较致密，通常是结晶性的，颗粒之间很少有空隙。
Igneous and metamorphic rocks are more compact, commonly crystalline, and rarely contain spaces between grains.
在造山的过程中，一些非常古老的沉积物已被转化为火成岩和变质岩，已经无法辨认了。
Some very ancient sediments were no longer recognizable, having been converted to igneous and metamorphic rocks in the course of mountain building.
钻石是稀有火成岩（称为煌斑岩和金伯利岩）中偶尔出现的一种成分，其年代测定方法从未令人满意。
Diamonds, an occasional component of rare igneous rocks called lamproites and kimberlites, have never been dated satisfactorily.
然而，如果火成岩和变质岩中发生大规模的断裂，并且断裂系统相互连通，那么它们也可以作为地下水储集层。
However, even igneous and metamorphic rocks may act as groundwater reservoirs if extensive fracturing occurs in such rocks and if the fracture system is interconnected.
苏勒·肖勒花岗岩上覆盖着二叠纪沉积物和火成岩。
The granite of the "Suhler Scholle " is capped with Permian sediments and igneous deposits.
这些喷发包括：夏威夷大火喷泉，斯特伦伯利亚大爆炸，普利尼安陨石和火成岩。
These eruptions have included: Hawaiian fire-fountaining, Strombolian explosions, and Plinian falls and ignimbrite.
黄晶通常产于火成岩岩石纹。
该城建立在火成岩与火山灰上。
对比形成的侵扰和挤压火成岩。
Contrast the formation of intrusive and extrusive igneous rocks.
深成火成岩石，有明显的晶体纹理。
描述有高含量碱金属氧化物的火成岩。
Describing igneous rocks with a high content of the alkali metal oxides.
任何含有嵌入致密的矿物基质的火成岩。
Any igneous rock with crystals embedded in a finer groundmass of minerals.
译在地质学中，火成岩曾是炽热的液体。
在火成岩系列中最常见的侵入体是花岗岩。
The most common intrusive in the order of igneous rocks is granite.
我想知道火成岩还有进一步的类型划分吗。
I wonder if there are further classifications of igneous rocks.
火成岩活动主要集中在晚第三纪和第四纪。
The activity of igneous rocks mainly concentrates in Neogene and Quaternary.
本文以实例介绍了各类火成岩体的反射特征。
This paper describes with examples the reflection character of many kinds of igneous rock.
这儿的石头都是火成岩，石头的裂缝极不规则。
The rocks here are igneous and do not fracture along predictable lines.
照片的上半部是火成岩，由地球深处涌出地面的岩浆形成。
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.
火成岩岩性的正确识别为储量参数计算打下牢固的基。
The correct recognition of the lithology provides a foundation for the calculation of reserve parameters.
几乎在所有的火成岩及其沙尘堆积物中都可找到其混合物。
Its compounds are found in practically all igneous rocks and their sand deposits.
这些地球上的陨石看上去像火成岩- - -因此相信灶神星有个地幔。
Such meteorites look like igneous rocks from earth-hence the belief that Vesta has a mantle.
火成岩是从熔融状态(特别是通过熔化岩浆)凝固而成的石头。
Igneous rock is rock formed by solidification from a molten state; especially from molten magma.
在火成岩地层中，它清晰地显示裂缝、孔洞以及风化残积的砾石。
In the igneous rock formation, CBIL shows fractures, vugs and weathered residual gravel clearly.
包括辉石、易变辉石、和斜长石等火成岩，来自于推积性的喷发。
Plutonic rocks consisting of pyroxene, pigeonite and plagioclase, the source of cumulate eucrites.
在塔中地区，影响平均速度的主要因素是地层埋深和火成岩的岩性。
In Tazhong Area, the main factor of impacting average velocity is the depth of stratum and lithology of igneous.
这种陨石与地球上的火成岩相似—因此可以相信灶神星上有地幔存在。
Such meteorites look like igneous rocks from earth-hence the belief that Vesta has a mantle.
该区域南端的石头是暗色的白云石，而附近斜坡上的石头则多是棕褐色的火成岩。
In the southern end of the region, they're found to be made of dark dolomite, while the stones from the adjacent slopes consist more of tan-colored igneous rock.
这段28公里长的公路是四年前通过爆破风化的火成岩而成的一条通往维西的捷径。
This 28-km segment was blasted through weathered igneous rocks four years ago to provide a shorter route to the town of Weixi.
这段28公里长的公路是四年前通过爆破风化的火成岩而成的一条通往维西的捷径。
This 28-km segment was blasted through weathered igneous rocks four years ago to provide a shorter route to the town of Weixi.
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