英语词汇“cap rock”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	cap rock
释义	cap rock noun [mass noun] A layer of hard impervious rock overlying and often sealing in a deposit of oil, gas, or coal.In some instances the alteration is so intense that all that remains of the host is a porous siliceous cap rock.... The cap rock of some domes contains economic concentrations of sulfur that are extracted as a melt by the Frasch Process. Both species occur in the uppermost cap rock layer of the Upper Albian Boracho Formation northeast of Ft. Stockton, Pecos County, Texas.
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