carbonaceous sandstone 中文意思是什麼
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This sandstone unit is commonly thick-bedded and massive, with silty and carbonaceous laminations.
該砂層單元通常為厚層或塊狀，具粉砂質和碳質紋層。 -
The host rocks of zhaishang au deposit are mainly argillic, calc and carbonaceous slates and silty sandstone
摘要寨上金礦區賦礦巖石主要為泥質、鈣質、碳質板巖、粉砂巖等。
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