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。

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Or the organic material will be transformed by heat into a non-hydrocarbon black carbonaceous material of no value.

否则有机物质就会遭热力作用而转化成毫无价值的非碳氢化合物——黑色含炭物质。

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Or the organic material will be transformed by heat into a non-hydrocarbon black carbonaceous material of no value.

否则有机物质就会遭热力作用而转化成毫无价值的非碳氢化合物——黑色含炭物质。

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