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砂岩类型以岩屑砂岩、岩屑长石砂岩为主。
The types of main sandstone are debris sandstone and debris arkose.
松辽盆地白垩系砂岩以长石岩屑砂岩和岩屑长石砂岩为特征。
The main types of clastic sandstones are feldspathic litharenite and lithic arkose in the Cretaceous of the Songliao basin.
延长组储集岩主要为细粒的长石砂岩、长石岩屑砂岩、岩屑长石砂岩等，还有少量的石英砂岩。
The reservoirs of the Yanchang formation almost are fine feldspathic sandstone, feldspathic debris sandstone, rock fragment feldspathic sandstone, and little quartzose sandstone.
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