In between are several layers of dense shale rock.

中间几层致密的页岩。

The land at the bottom of the sea was black shale rock.

海底的土地黑色页岩岩石。

That shale is now at the bottom of the Badlands.

这个页岩现在位于荒地的底部。

It is often used to recover these fossil fuels from rock called shale.

这种技术通常用于从页岩中提取石化燃料。

Southeast shore of Lake Erie, lots of shale on the cliffs.

伊利湖东南岸，悬崖上有大量页岩。

Experts believe Europe might have trillions of cubic meters of shale gas. Shale is a kind of rock.

专家认为欧洲可能有数万亿平方米的页岩气，页岩种岩石。

Chevron's boss remarked that " the shale game has become a scale game."

“页岩油开采已然成为个规模游。”

The shale deposit there has proven to be a treasure for the study of ancient life.

当地页岩矿床已被证明研究古代生命的宝库。

A wave of consolidation could be coming to the US shale oil industry.

美国页岩油行业可能迎来波整合浪潮。

Tommotian and Burgess Shale formations give clues about Precambrian evolution.

早间，Tommotian和伯吉斯页岩化石群为前寒武纪进化提供了线索。

So the Burgess Shale specimens weren't so spectacular after all.

所以，布尔吉斯页岩标本原来并非那么不可思议。

Concerns about earthquakes have also been raised in connection with the practice of hydraulic fracking to produce shale gas.

人们开始担心液压破碎法开发页岩的做法会导致地震。

Clay is also a rock; and when it has been pressed a great deal, it is called shale.

粘土种石头，经过大力挤压之后，叫做“页岩”。

And fracking has unleashed a flood of oil formerly trapped in shale rock underneath North Dakota, among other places.

液压破碎法将北达他州及其他地区页岩下的石油大量开采出来。

The process which involves the fracturing of rock to extract oil or shale gas inside has raised safety concerns.

这种通过压裂岩石来开采石油或页岩气的方法引起了安全方面的担忧。

So Argentina has started a big program of drilling to increase shale oil and gas production in Patagonia.

阿根廷已经开始了项大型钻探计划，以增加巴塔哥尼亚的页岩油气产量。

Next year economic growth may tick up. Investors are pressing American shale companies to reduce spending and boost profits.

明年经济增长可能加快。投资者正在敦促美国页岩油公司减少支出，提高利润。

American refineries require that really light shale to be mixed with heavy crude which is often found with OPEC.

美国炼油厂要求真正轻质的页岩石油输出国组织经常发现的重质原油混合。

The book has a stab at outlining the potential impact of shale gas.

这本书陈列出了开发页岩气的潜在影响，见解精辟。

She says the presence of large shale gas reserves and political problems in Ukraine have increased interest in Europe's shale gas.

她说大量页岩气储备的存在和乌克兰的政治问题，使得人们对欧洲的页岩气越发感兴趣。