Black shales will become a new resource of PGE and rare metals.
黑色岩系将成为PGE和稀有金属的一种新来源。
Black shales have been considered as a sign of anoxic depositional environments and anoxic events for a long time.
富有机质黑色页岩的形成长期以来被认为是缺氧沉积环境的证据，并被作为全球缺氧事件的标志。
Two series of black shales, representing the deep water deposit, are widely distributed in Qiangtang area , northern Tibet, which becomes a hot topic of Qiangtang basin study.
藏北羌塘地区出现了两套代表深水相沉积的黑色岩系，成为该区研究中的又一热点。
This paper deals with the formation conditions of black shales based on such analytical techniques as ICP_MS, GC_MS, isotope, organic carbon, element facies and micropetrology.
本文采用GC＿MS、ICP＿MS、形态硫分析、硫同位素、物相分析等方法综合研究了湘西晚震旦世-早寒武世黑色岩系的地球化学特征和形成条件。
Precious metals deposits associated with black shales is a new type of deposits discovered in recent years, and is also an important aspect of non-traditional mineral resources study.
黑色页岩建造中的贵金属矿床是近年来不断发现的一种新矿床类型，亦是目前非传统矿产资源研究的一个重要内容。
This paper deals with the formation conditions of black shales on the basis of analyzing such items as the component of chloroform bitumen "A" and the gas_facies chromatogram of saturated hydrocarbon.
对贵州遵义金鼎山下寒武统牛蹄塘组黑色岩系的氯仿沥青“A”及族组分做了成分检测，并进行了岩石氯仿抽提物中饱和烃气相色谱分析。
The ichthyosaur remains are found in black, bituminous Marine shales deposited about 190 million years ago.
人们在黑色的、含沥青的海洋页岩中发现了约19,000年前沉积下来的鱼龙化石。
The ichthyosaur remains are found in black, bituminous Marine shales deposited about 190 million years ago.
人们在黑色的、含沥青的海洋页岩中发现了约19,000年前沉积下来的鱼龙化石。
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