arkose

According to the mineralogy analysis, the sandstone of ore-bearing stratum is confirmed on lithic arkose. The uranium deposit occurs in the Jurassic arkose sandstone being located in the exocontact zone of quartz-syenite intrusive body.

从U、Se、V、Mo和Re等元素含量在单个钻孔及钻孔剖面中变化特征可知东胜砂岩铀矿经历过氧化作用成矿。该矿床赋存于石英正长岩体外接触带侏罗系长石石英砂岩中。

Analysis results of a number of testing data indicated that: sandstone reservoir of Fu-Yang oil-bearing layer has lower composition maturity, mainly are feldspathic arenite and lithic arkose.

大量化验测试资料分析结果表明，扶杨油层砂岩储层成份成熟度较低，岩石类型以岩屑质长石砂岩和长石质岩屑砂岩为主。

Reservoir rock type is mainly medium-fine arkose, with deeply weathered and poor reservoir physical property. The oil reservoir belongs to typical low permeable deep seated reservoir.

岩石类型以中细粒长石砂岩为主，风化程度深，储层物性差，是典型的深层低渗透油藏。

The conclusions are the following: ① The reservoir-rock types in Yan-chang formation are mainly arkose, secondly litharenite and lithic arkose in low compositional maturity.

结果表明：①该组砂体以长石砂岩为主，次为岩屑砂岩和长石质岩屑砂岩，矿物成熟度低；

In addition, under the combined influence of sedimentary and diagenesis which are mainly feldspar dissolution, the physical property of feldspathic litharenite is the best, the lithic arkose is middle, and the feldspar quartz sandstone is the worst.

由于在沉积作用和以长石溶蚀作用为主的成岩作用共同影响下，长石岩屑砂岩的物性最好，岩屑长石砂岩其次，长石石英砂岩最差。

Core descriptions, conventional thin section, injecting thin sections, SEM observations, X ray analysis of clay minerals, mercury injection data and pattern analysis of pore structures show that the major rock types are lithic sandstone, feldspathic litharenite and lithic arkose.

岩芯描述和常规薄片、铸体薄片、扫描电镜、X衍射分析及压汞资料研究表明，安棚深层系的岩石类型主要为岩屑砂岩、长石岩屑砂岩和岩屑长石砂岩。

They mainly consist of sandstone, in which quartz arenite and litharenite and arkose is lack.

碎屑岩以砂岩类为主, 其中又以石英砂岩类和岩屑砂岩类为主,缺少长石砂岩类.

The rocks are lithic arkose and arkose which are in low composition saturation and has high clay content, anhydrite, calcite and dolomite cements.

岩石类型为成分成熟度较低的岩屑长石砂岩和长石砂岩，并合较多的粘土矿物和硬石膏、方解石、白云石胶结物。

Both macroelements and microelements stem from the leaching of arkose of middle-upper series, Triassic system.

矿泉水中宏量元素和微量元素都来源于三迭系中上统长石砂岩的溶滤，溶滤作用的强度取决于长石砂岩矿物组成，各种元素的性质及含量；

Main arkose-sandstone and grey bed have a double-layer structure characteristic.

以长石砂岩为主的铀矿源层和灰色层为主的积铀层,构成了 双层 结构的特征.

The reservoir lithology of oil bearing Huagang formation on Sudi structural belt in Xihu depression is mainly lithic arkose, feldspathic litharenite and feldspathic quartzitic sandstone.

西湖凹陷苏堤构造带花港组油层储集岩主要为岩屑长石砂岩、长石岩屑砂岩、长石石英砂岩，岩屑含量较少，岩石成分成熟度和结构成熟度均较高。

They mainly consist of sandstone, in which quartzarenite and litharenite are dominant and arkose is lack.

碎屑岩以砂岩类为主，其中又以石英砂岩类和岩屑砂岩类为主，缺少长石砂岩类。

The main types of clastic sandstones are feldspathic litharenite and lithic arkose in the Cretaceous of the Songliao basin.

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 petrological-chemical analysis of clastic sedimentary rocks from Quantou Formation, Cretaceous indicates that their lithology mainly consists of arkose, shale and minor rock debris sandstone and greywacke by chemical classification of bulk elements.

通过对白垩系泉头组碎屑沉积岩岩石样品的岩石化学分析表明：主元素化学分类结果主要为长石砂岩、页岩，少量岩屑砂岩和硬砂岩；

Among all sequence strata of exploration target, it mainly developed medium-coarse clastic arkose in high water system, which overlies and underlies the primary sequence interface as well.

在各勘探目的层层序地层内，主要发育于高水位体系域中中粗粒岩屑长石砂岩发育带，同时也主要位于主要层序界面上下。

Type D has only one sample, which comes from the metamorphosed arkose sandstone. coarse to fine-grained quartz-syenite;

D型是变质的长石石英砂岩。

The uranium deposit occurs in the Jurassic arkose sandstone being located in the exocontact zone of quartz-syenite intrusive body.

该矿床赋存于石英正长岩体外接触带侏罗系长石石英砂岩中。