1.
Characteristics and Forming Environments of Tuffs in Yanchang Formation in Ordos Basin;
鄂尔多斯盆地延长组凝灰岩夹层特征和形成环境
2.
Distribution Characteristics and Geological Significances of Tuff Interlayers in Yanchang Formation of Ordos Basin
鄂尔多斯盆地延长组凝灰岩夹层展布特征及其地质意义
3.
The intercalations are divided into five types, such as muddy intercalation, silty intercalation, calcareous intercalation, marly intercalation, and gravel intercalation.
夹层类型主要有泥岩夹层、粉砂质泥岩夹层、灰质夹层、泥灰质夹层和砾石质夹层5种。
4.
Study of Logging Interpretation for Tuffaceous Sands Reservoir in Wuerxun Depression
乌尔逊凹陷凝灰质砂岩储层测井解释方法研究
5.
THE MECHANISM RESEARCH FOR THE CROSSLINKED EMULSION FRACTURING STEADYING THE TUFFACEOUS RESERVOIR
交联乳化压裂液稳定凝灰岩储层机理研究
6.
The studies showed that (1) HFW are found in vocalnic tuff while the others in sedimentary rocks;
(1)前者产出层位是陆相火山爆发相的凝灰岩,后者是河湖相沉积岩;
7.
The tuffaceous blanketed the entire basin.
凝灰岩充填着整个盆地。
8.
A light - colored tuff used in hydraulic cement.
粗面凝灰岩一种用来生产硬水泥的淡色凝灰岩
9.
The Machadodorp tuff and agglomerate, which is higher-lying than the Ongeluck lave, is known only from the Eastern Transvaal.
层位较昂格鲁克岩流为高的马却多多普凝灰岩及集块岩，只见于德兰士瓦东部。
10.
They were deposits of volcanic tuff in Nye County, Nevada;
3处场地分别是内华达州奈伊县的火山凝灰岩矿床层；
11.
Interpretation Method Study on Physical Property of the Tuffaceous Sands Reservoir of Xing'anling Group in Hailar Basin;
海拉尔盆地兴安岭群凝灰质砂岩储层物性解释方法研究
12.
Computational Method of Saturation of the Tuffaceous Sandstones Reservoir of Nantun Group in Hailar Basin
海拉尔盆地南屯组凝灰质砂岩储层含水饱和度计算方法
13.
Computation Method for Shale and Tuff Content in Reservoir with Pyroclastic Sedimentary Rock
火山碎屑沉积岩储层泥质与凝灰含量计算方法研究
14.
Cuttings and core from the drill-holes have intersected conglomerate bands.
钻粉和岩心已穿过了砾岩夹层。
15.
A shale formation with sandstone interbedded is also a potential oil bearing formation.
以泥岩为主，夹砂岩的地层也可能是油气层。
16.
Influence of Weak Mudstone Intercalated Layer on Mechanical Properties of Laminated Salt Rock
软弱泥岩夹层对层状盐岩体力学特性影响研究
17.
The coarsest sandstones intercalated with grey mudstones.
最粗粒砂岩与灰色泥岩成互层。
18.
The main kinds of rocks include carbonate rocks, tuffite, siliceous rocks and quartz sand-stone.
主要岩石类型包括碳酸盐岩、沈积凝灰岩、矽质岩和石英砂岩。