The gravity slide structures occurred in both limbs of coal measure synclines will give rise to complicated structural image in the axial part of the syncline.

煤系向斜两翼产生的重力滑动构造，可导致向斜轴部出现复杂的构造图象。

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Abstract: It introduces the appearance of layer slide structure in coal mine production and analyzes the character and application in mine geology work.

文摘：介绍了层滑构造在煤矿生产中的表现形迹，分析了层滑构造的特征及其在矿井地质工作中的应用。

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Combining engineering example with coal storage bunker, introduced slide form construction technology in detail.

结合潘二矿储煤仓工程实例，详细介绍了筒仓滑模施工技术。

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Union Pacific was no different but increased coal mining activity in Powder River Basin region situated in parts of Wyoming and Montana could reverse the slide in coal freight volumes for the company.

FORBES: Union Pacific's Coal Freight Business Chugs Ahead After Slowdown

The grim toll of rising energy costs continues: Dow Chemical (44, DOW), dependent on hydrocarbons (oil, natural gas, coal) for feedstock, has endured a 23% stock slide from a year ago.

FORBES: Magazine Article

Many coal companies such as Alpha Natural Resources and Peabody Energy Corporation are mulling over the fate of coal as consumption has continued to decline in the U.S.. Natural gas has undoubtedly given coal companies a run for their money since prices began to slide last year.

FORBES: Can Coal Exports Markets Make Up For Domestic Coal's Plunge?