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- Geochemical characteristics of Cretaceous detrital rocks and their constraint on provenance in Jixi Basin 鸡西盆地白垩纪碎屑岩地球化学特征及其对物源的制约
- Cretaceous detrital rocks 白垩纪碎屑岩
- Based on the authigenic and clay mineral assemblage, two types of diagenetic ambient have been recognized in the Meso-Cainozoic detrital rocks in Tarim basin. 根据自生矿物与粘土矿物组合,在塔里木中新生界碎屑岩中可以识别出两种成岩环境。
- The Tuchengzi formation in Jinlingsi-Yangshan basin,Western Liaoning Province is composed of a series of red continental detrital rocks. 辽西金-羊(金岭寺-羊山)盆地土城子组为一套红色陆相碎屑岩组合。
- Because Xujiahe group deposit in west Sichuan is fractured detrital rocks,exploration of gas reservoir is rather difficult. 川西地区须家河组储层为裂缝性致密碎屑岩,气藏勘探难度大。
- The Tuchengzi formation in Jinlingsi-Yangshan basin, Western Liaoning Province is composed of a series of red continental detrital rocks. 摘要辽西金-羊(金岭寺-羊山)盆地土城子组为一套红色陆相碎屑岩组合。
- The Tertiary high quality reservoir was mainly developed in the fine, but not coarse granular detrital rocks of eastern Kuqa depression of the Tarim basin. 摘要库车坳陷东部下第三系优质储层主要发育于细粒碎屑岩,而不是粗粒碎屑岩中。
- This paper presents the Nonnegative linear least square method of MATLAB-a quick and precise method of calculating mineral contents of detrital rocks with some examples. 通过实例介绍了使用MATLAB工具箱中非负线性最小二乘法根据岩石化学与镜下观察到的矿物种类对碎屑沉积岩中矿物含量进行定量计算的应用。
- In this basin, the thickness of Meso-Cenozoic strata is huge, and the main part is J-K strata, Meso-Cenozoic non-marine detrital rocks including volcaniclastic deposition. 信阳盆地位于大别山带,盆地内以北西西向的基底断裂规模最大,其次为规模较小的北东向断裂,断裂控制了盆地的边界。
- The littoral-neritic facies carbonaceous detrital rocks and carbonate rock of Lower Devonian is broadly distributed in the area,with a high Sb background. 区内广泛分布有泥盆系滨浅海含碳碎屑岩和碳酸盐岩.;岩石具有较高的Sb背景场
- The carbonate rock (O) and detrital rock (C, T) could be classified into trapping assemblages of 2 types or 4 subtypes, which allow to form 10 kinds of condensate gas pools. 碳酸盐岩(O)和碎屑岩(C、T)储集层分2大类4个亚类圈闭组合,形成了10种类型的凝析气(田)藏。
- Triassic ammonites,fossil plants and radiolaria occurred in normal sedimentary micritic limestone,detrital rock and silica rock and represented the sediment age of the Bayankelashan Group. 其中三叠纪的菊石、古植物、放射虫等标准化石分子产于正常沉积的泥晶灰岩、碎屑岩、硅质岩等岩层中,代表巴颜喀拉山群的沉积时代,且在纵向与横向上控制程度高。
- The lamellibranchiiiata fossils and coral fossils of Upper Carboniferous period had been discoveried in the detrital rock and carbonafite rock by the geologic survey of the area of Yishenjilike mountain. 摘要通过对伊什基里克山特克斯达坂一带地质调查,首次于该区发现了一套含晚石炭世双壳、珊瑚、腕足及植物化石的碎屑岩。
- Sodium carbonate deposits may be classified into three major types, Quaternary salt lake, Quaternarysand-covered playa and Tertiary continental detrital rock, all three having been found in China. 碳酸钠矿床有三大类型:第四纪盐湖型、第四纪砂下湖型及第三纪陆相碎屑岩型,在中国均有发现。矿床均赋存于第三纪以来(多为第四纪)陆相湖盆。
- Methods Using the three parameters of heavy mineral assemblage of detrital rock,coarse fragment component and mineralogic maturity,the basin sedimentary boundaries will be foun and studied. 方法从大量的地质资料入手,利用碎屑重矿物组合、粗碎屑组分和矿物成熟度3种参数确定古盆地边界。
- Navigation is difficult on this river because of the hidden rocks. 因为河上有暗礁,所以在这条河上航行很困难。
- The storm cast the little rowboat on the rocks. 风暴把这条小划艇抛到岩石上。
- The stricken tanker began to break up on the rocks. 油轮被击中后撞上礁石,毁了。
- These rocks are awash at high tide. 这些礁石在涨潮时被海水淹没。
- Rocks are worn smooth through the agency of water. 岩石由于水的作用而变得光滑。