black shale

基本解釋

There is a black shale which widespread at Early Cambrian in Guizhou.
貴州早寒武世早期普遍存在一套黑色頁(yè)巖。
The presenting of black shale series reflects abrupt environmental events, which formed many important ore hosting rock series.
黑色巖系的形成反映了環(huán)境的突變事件，搆成了許多重要鑛牀的賦鑛巖系。
Black shale is the most favorable lithofacies which has high organic abundance and greatest kerogen type(mainly type I). Laminar mudstone is the second favorable lithofacies.
黑色頁(yè)巖巖相有機(jī)質(zhì)豐度高，有機(jī)質(zhì)類型以I型乾酪根爲(wèi)主，是最有利的富有機(jī)質(zhì)巖相類型，其次爲(wèi)紋層狀泥巖巖相。

The black shale Marcellus Formation stretches from much of the southern half of New York State through much of Pennsylvania and into West Virginia and Eastern Ohio.
FORBES: My Prediction Was Wrong: Why We Didn't Get To $8 Natural Gas
The entire city of Fort Worth sits over a gas dense layer of black rock called the Barnett Shale that only recently became possible to access.
NPR: Drilling for Gas in Dallas-Fort Worth

黑色頁(yè)巖
The sources for the heavy-metal contamination of the soils are directly related to the bedrock,the carbonaceous black shale.
黑色頁(yè)巖即爲(wèi)土壤重金屬?zèng)@染的汙染源。