Sandstones are, as a rule , interbedded with shales.
砂巖通常都與頁(yè)巖互層.
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Oil - yielding organic matter is contained in the shales.
在這些頁(yè)巖里有產(chǎn)油的有機(jī)物質(zhì).
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Alternating sandstones and shales are regarded as important.
蝕變的砂巖和頁(yè)巖是很重要的.
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Thus clays and shales tend to be impermeable.
因此粘土和頁(yè)巖就往往不透水.
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Uranium is frequently enriched by sorption or chemical combination in shales, lignites and phosphorites.
鈾經(jīng)常為頁(yè)巖, 泥炭和磷塊巖所吸附或化學(xué)結(jié)合態(tài)而富集.
辭典例句
These cyclic sequences are overlain by the lagoon dolomitic mudstones and shales.
米級(jí)旋回層序之頂覆以厚度不等的?
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Not since shales escape, right? - Yeah. What's going on, Richard?
自從席爾斯越獄后, 對(duì) 吧 ? - 有問(wèn)題嗎, 理查?
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Oil - yielding organic matter is contained in shales.
在這些頁(yè)巖里有產(chǎn)油“的”有機(jī)“物質(zhì)”.
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The genetic types of shales in the area under research are of humus and mixed type.
研究區(qū)油頁(yè)巖成因類(lèi)型為混合型和腐殖型.
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The variety of these mudstone and shales is very complex in lacustrinehigh - frequency cycle.
這些泥巖和頁(yè)巖在湖相高頻旋回中的變化相當(dāng)復(fù)雜.
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The ichthyosaur remains are found in black, bituminous marine shales deposited about 190 million years ago.
人們?cè)诤谏?、 含瀝青的海洋頁(yè)巖中發(fā)現(xiàn)了約1.9億年前沉積下來(lái)的魚(yú)龍化石.
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