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

碎屑以砂类为主，其中又以石英砂类和屑砂类为主，缺少长石砂类。

Glauconite, detrital carbonate skeletal debris, marine fossils, and collophane are commonly present.

海绿石、碳酸盐骨骸碎屑、海相化石和胶磷普遍出现。

The sediments are detrital and largely of greywacke facies.

沉积为碎屑质，大部分属于杂质砂相。

Texture of sedimentary rock: clastic texture and nonclastic texture.

碎屑结构和非碎屑结构。

The first rock is mainly andesite clinkering agglomerate, andesite breccia, dacite breccia, rhyolite breccia and rhyolite clinkering tuff.

正常火山碎屑亚类石类型主要为山质熔结集,山质、英质及流纹质火山角砾以及流纹质熔结凝灰。

The deformation belts are formed by Late Carboniferous rocks, mainly mylonitization volcanic rocks and volcanic clastic sedimentary rocks.

变形带下石炭统干墩组组成，为一套糜棱化火山、火山碎屑沉积。

The ore-bearing beds have a bimodal rock association and exhibit assembly characteristics of pyroclastic rock, orebody and exhalite.

含为双峰石组合，具有火山碎屑-体-喷气“三位一体”特徵。

Interlayer oxidized zone and argillite-sisandstone-argillite sequence occur in red clastic rock formation with ideal artesian and circulating system of ground water.

在红色碎屑建造中有层间氧化带和“泥-砂-泥”结构发育，并有良好的地下水承压和循环体制，是寻找可地浸砂型铀的有利地区。

The albite component increases while anorthic component decreases in detrital plagioclase.The plagioclase turned into an end - member component of albite.

斜长石碎屑中钠长石组分逐渐增多，钙长石组分逐渐减少，最终形成纯钠端元的钠长石。

Main macerals of hydrocarbon generation are sporinite, cutinite, alginite, bituminite, liptodetrinite and desmocollnite in source rocks from Jurassic coal measure in Northwest China.

西北地区侏罗纪煤地层中主要的生烃显微组分是孢子体、角质体、藻类体、沥青质体、碎屑类脂体、基质镜质体等，而树脂体、木栓质体等早期低熟生油组分含量很低。

Grainstones are the main part of the section, among which the oolites, intraclast limestones and most bioclast limestones are cemented by sparry calcite.

颗粒灰在剖面中占绝大多数，其中，鲕粒灰、内碎屑灰和多数生物碎屑灰均为亮晶方解石胶结。

A small quantity of sporinite and cutinite were identified in addition to the majority of the hydrocarbon-forming micro-components that mainly occurred as matrix vitrinites.

烃源主要生烃显微组分为基质镜质体，少量孢子体、角质体和碎屑壳质体。

The alabandite and getchellite of hydrothermal origin, cement anatase of alkaline volcanic origin, and the high content of chlorite in coal were fist found in coals.

在西南地区晚二叠世煤中首次发现了热液成因的硫锰和硫砷锑、碱性火山灰成因的胶态锐钛和陆源碎屑成因的斜绿泥石。

Xiaertai rock group,a set of metamorphic rock system in Xiaertai area,has experienced strong ductilebrittle deformation and then thermal contact metamorphism and dynamometamorphism in the late stage.

经原恢复可将下二台群分为三个组：盘岭组，黄顶子组及烧锅屯组，其原建造分别为火山建造、碳酸盐建造及碎屑建造。

There is siderite, iron dolomite , calcite, Barite, pyrite, anatase, rutile, piece quartz, the mica ( or hydromica ), diaspore,etc. in the impurity in the mineral .

杂质物见有菱铁，铁白云石，方解石，重晶石、黄铁，锐钛，金红石，碎屑石英，云母（或水云母），水铝石等。

Four isolate barrier beds occurened usually in boundary surface of each internal architecture unit in channel sandbody, i. e. find bed, muddy pebble bed, plant clasts bed and diagenic bed.

在河道砂体内部构成的不同层次实体界面上，通常存在着4种隔挡层，即细粒物质隔挡层、泥砾隔挡层、植物碎屑隔挡层和成隔挡层。

5 to 7 days' larve after hatching larvae mostly lived on copepod nauplii, copepodites and trochophore of Polychaeta in water of the earthen ponds, apart from feeding on particulate organic detritus.

孵化后5～7日龄仔鱼基本上依靠摄食土池水体中的桡足类无节幼体、桡足幼体和多毛类担轮幼体,但还摄食少量的颗粒有机碎屑。