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沉积岩有杂砂岩、粉砂岩、凝灰岩、泥质岩等。 The sedimentary rocks are graywacke, siltstone, tuff andpellitie, etc. | ||
沉积区：岩性由砂砾岩、砂岩、粉砂岩夹泥岩组成。 Depositional district: lithologically, they are sandy conglomerate, sandstone, siltstone interbedded with mudstone. | ||
主要岩性有变泥质粉砂岩、长石石英杂砂岩、细砂质长石石英粉砂岩、长石杂砂岩、绢云石英千枚岩等。 Its main rocks is the metamorphic pelitic siltstone, the feldspathic quartz wacke, the fine sandial feldspathic quartz siltstone, the feldspathic wacke and the sericite quartz phyllite etc. | ||
龙西油田高台子油层岩性以含泥粉砂岩为主，泥质含量7。 Reservoir formations Gaotaizi of Longxi oil fields are mainly shaly siltstone with shale content 7. | ||
安徽省姑山铁矿床的矿石产在中生代辉长闪长岩与以三叠纪页岩、粉砂岩和砂岩为主的围岩的接触带上。 Iron ores in the Gushan deposit, Anhui Province, occur in a contact tone between Mesozoic gabbro diorite and its country rocks dominated by Triassic shale, siltstone and sandstone. | ||
储层岩性主要为岩屑砂岩、岩屑石英砂岩及石英砂岩； The layer rock is mainly lithic sandstone, the lithic quartz sandstone and quartz sandstones. | ||
了望角砂岩并不是一个单一的盖层状砂岩。 The Point Lookout is not a uniform blanket sandstone. | ||
赋矿地层为上侏罗统雄黄厂段，主要由白云岩、灰岩、泥岩和粉砂岩组成。 The Xionghuangchang section of the Upper Jurassic series is the principal ore-host strata, composed mainly of dolomite, limestone, mudstone, and siltstone. | ||
这些褶皱岩层是由奥陶系的中层至厚层石灰岩以及志留系的薄层页岩和粉砂岩组成。 These folded rocks are composed of medium to thick bedded limestone of Ordovician and of thin bedded shale and siltstone of Silurian. | ||
储层类型主要包括基岩风化壳、砂岩、凝灰质砂岩和砾岩。 The types of reservoirs main include base rock weathering crust, sandstone, tuffaceous sandstone and conglomerate. | ||
