Diamonds, an occasional component of rare igneous rocks called lamproites and kimberlites, have never been dated satisfactorily.
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。
Igneous rocks do not contain fossils.
火成岩不含化石。
In geology, igneous rocks were once hot liquid.
译在地质学中，火成岩曾是炽热的液体。
Texture and structure of igneous rocks and classification.
岩浆岩的结构和构造岩浆岩的分类。
I wonder if there are further classifications of igneous rocks.
我想知道火成岩还有进一步的类型划分吗。
So eruption of volcanoes is one way of producing igneous rocks.
那么火山喷发是形成火山岩的一种方式罗。
Contrast the formation of intrusive and extrusive igneous rocks.
对比形成的侵扰和挤压火成岩。
The most common intrusive in the order of igneous rocks is granite.
在火成岩系列中最常见的侵入体是花岗岩。
Key points: texture, structure and classification of igneous rocks.
重点：岩浆岩的分类、结构和构造。
Describing igneous rocks with a high content of the alkali metal oxides.
描述有高含量碱金属氧化物的火成岩。
The activity of igneous rocks mainly concentrates in Neogene and Quaternary.
火成岩活动主要集中在晚第三纪和第四纪。
Is there any other way of producing igneous rocks besides the volcanic eruption?
除了火山喷发形成岩浆岩这一种方式外，还有其它方式吗？
Its compounds are found in practically all igneous rocks and their sand deposits.
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。
Such meteorites look like igneous rocks from earth-hence the belief that Vesta has a mantle.
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。
These mountains are heavily forested, and mainly compose granite and other igneous rocks.
这些山是郁郁葱葱的，且主要由花岗岩和其他火成岩构成。
Such meteorites look like igneous rocks from earth-hence the belief that Vesta has a mantle.
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。
A variety of plagioclase feldspar found in igneous rocks and characterized by brilliant colors in some specimens.
一种斜长岩长石的变体，发现于火成岩中，某些样本中含有丰富绚烂的颜色。
Potassium-argon dating: Method for determining the age of igneous rocks based on the amount of argon-40 in the rock.
钾-氩年代测定法：根据岩石内氩-40的含量来测定火成岩形成年代的方法。
The high velocity and variable thickness of igneous rock impair the structural map of targets beneath igneous rocks.
火成岩速度很高，而且厚度是变化的，常常影响到它下面的构造成图精度。
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。
Purpose to provide theoretical basis for exploring and developing those reservoirs related to igneous rocks in this area.
目的为该区勘探开发与火成岩相关的油气藏提供理论依据。
This paper studied the distribution of the igneous rocks and traps related to igneous rocks on seismic and geologic data.
综合地震资料和地质资料分析了平南地区火成岩体的时空分布特征，对与火成岩有关的圈闭作了比较详细的研究。
Containing or relating to a group of dark-colored minerals, composed chiefly of magnesium and iron, that occur in igneous rocks.
铁镁质的含有或与一组深色矿物有关的，主要由镁和铁组成，出现在火成岩中的。
The author aimed at simply introducing the theoretical model in terms of mineralization related to the high-level igneous rocks.
本文的目的是以与高位火成岩相关的成矿作用为例，简要介绍透岩浆流体成矿作用理论模型。
Pertaining to minerals or igneous rocks composed of minerals that are rich in iron and magnesium, dense, and typically dark in color.
系指由富含铁和镁的矿物组成的矿物或火成岩，质地致密，并以暗色为特点。此术语来自于镁和铁二字。
The emphasis and difficulty is the development of carboniferous igneous rocks oil and gas in the belly of Junggar Basin in recent years.
近年来准噶尔盆地腹部油气开发的重点和难点是对石炭系火山岩的开发。
Based on the logging response characteristic of Tertiary igneous rocks in Bohai Bay. This paper summarizes a criterion way of igneous rock.
从渤海湾地区第三系火成岩测井响应特征出发，总结出不同类型火成岩自动判别方法。
This paper presents the state of the art concerning the study of trace element abundances in igneous rocks, the existing problems and methodology.
本文讨论了微量元素丰度研究在国内外的现状、存在问题及解决途径。
This paper presents the state of the art concerning the study of trace element abundances in igneous rocks, the existing problems and methodology.
本文讨论了微量元素丰度研究在国内外的现状、存在问题及解决途径。
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