硬砂岩
yìng shā yán
- greywacke;blaize
硬砂岩
硬砂岩[yìng shā yán]
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通过对白垩系泉头组碎屑沉积岩岩石样品的岩石化学分析表明：主元素化学分类结果主要为长石砂岩、页岩，少量岩屑砂岩和硬砂岩；
The petrological-chemical analysis of clastic sedimentary rocks from Quantou Formation , Cretaceous indicates that their lithology mainly consists of arkose , shale and minor rock debris sandstone and greywacke by chemical classification of bulk elements .
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该块储层特征是断块岩石成分成熟度低，岩性以硬砂质长石砂岩和混合砂岩为主。
The reservoir of this block is characterized by fault rocks and low component maturity . Its lithology is mainly of hard arenaceous feldspathic sandstone and hybrid sandstone .