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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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更新时间:2025/3/22 13:59:50