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- Skrinkle sandstones 斯科林克尔砂岩
- Normally tan to reddish sandstones are bleached. 黄褐色至浅红色的砂岩通常是褪色的。
- A fire-resistant stone, such as certain sandstones. 耐火岩石耐火石,例如某种沙石
- Feldspathic litharenite sandstones are rich in gas. 富气砂岩主要为长石岩屑砂岩。
- Any of various dark gray sandstones that contain shale. 杂砂岩任何含有页岩的多种黑灰色砂岩之一
- Well-sorted quartz sandstones are generally not very abundant. 分选良好的石英沙岩一般并不十分丰富。
- The coarsest sandstones intercalated with grey mudstones. 最粗粒砂岩与灰色泥岩成互层。
- Alternating sandstones and shales are regarded as important. 蚀变的砂岩和页岩是很重要的。
- Such sandstones should have similar angular relations to the strike valleys. 这种砂岩体与走向谷之间与有类似的交角关系。
- These sandstones are interpreted as having originally been point bar deposits. 这些砂岩在成因上被解释为点沙坝沉积。
- Hot event deposits occurred in Liantuo Formation of Lower Sinian, interbedded in fluvial facies sandstones and siltstones. 热事件沉积产物见于下震旦统莲沱组,夹于河流相沉积的砂岩及粉砂岩中。
- For example, the porosity of sandstones tends to be facies related, whereas in carbonate rocks this is generally not so. 例如,砂岩孔隙度一般与相有关,而一般在碳酸盐岩中则一般并非如此。
- Diagenesis data indicate that the Silurian asphaltic sandstones are the products of multiple fillings of hydrocarbon. 志留系沥青砂岩的成岩作用特征等资料证明;沥青砂岩的形成是烃类多期次注入的结果.
- The head, two humps and tail can be seen clearly .it is the result of erosion, weathering and denudation to sandstones. 这是砂岩经冲刷风化和剥蚀而形成的。
- The average reflectance of vitrinite of outcrop sandstones is not large difference from core sandstones’. 露头砂岩与岩芯砂岩的镜质体反射率无较大差别。
- The paper resolves the engineering geological problems of using red sandstones as the filler of speedway"s roadbed. 初步解决了研究区域内高速公路建设中遇到的红砂岩路基填料的工程地质问题。
- Shaped charges of the same sort are underbalance perforated in three kinds of sandstones in the lab. 在实验室条件下,用同种聚能射孔弹在3种不同砂岩上进行负压射孔,然后进行流动测试。
- But current research work is mainly based on the sandstones' microscopic anisotropism and the macroscopic anisotropism. 而当前对砂体的研究工作主要集中在对砂体的微观非均质性和宏观非均质性的研究上。
- Original porosity is typified by the intergranular porosity of sandstones and the intercrystalline and politic porosity of some limestones. 原生孔隙度以砂岩粒间孔隙度和某些石灰石的晶体粒间和鲕状孔隙度为代表。