查询词典 sandstone

The surface composition of the rock, in addition to a large area north of the dolomite, dolomitic limestone, sandstone and shale, the most for the light metamorphic rocks.

地表组成岩石，除北部有较大面积的白云岩、白云质灰岩、砂页岩外，大部为轻变质岩。

In the areas distributed by Silurian siltstone and sandstone, Ordovician dolomite and dolomitic limestone, as well as Middle-Upper Cambrain limestone and calcirudite, the selenium content of the water in springs and wells is low.

含硒量低的志留纪砂岩和粉砂岩、奥陶纪白云岩、白云质灰岩以及中、晚寒武世灰岩和砾屑灰岩分布区的泉水和井水的含硒量低。

Because the main territorial cap rock which could block off hydrocarbon migration in another side of fault in Paleozoic stratum is huge thick mudstone in upper mbr of Shangshihezi group and Shiqianfeng group, this make only backward fault to dip direction can block to form fault-block trap in the reservoir stratum of carbonatite eluvial horizon in Ordovician and thick sandstone in Permian .

古生界具有侧向封堵条件的区域性盖层主要是上石盒子组上段—石千峰组大套泥岩，这决定了断块区奥陶系碳酸盐岩风化淋滤带及二叠系大套砂岩储层在反向断层遮挡下能形成断块圈闭。

The component of detritus is mainly medium-basic eruptional rocks and a few mudstone and sandstone detritus.

岩屑成分主要为中—基性喷出岩，少量为泥岩和砂岩类。

The study show that: the reservoir sandstone is mainly made of feldspathic sandstones.

研究表明，研究区长6油层组储层砂岩主要为长石砂岩。

Type of sandstone is mainly to sublitbarenite, feldspathic litharenite and lithoclastic feldspar are account for a large proportion.

砂岩类型主要为亚岩屑砂岩，长石质岩屑砂岩和岩屑质长石砂岩也占较大比例。

The Neogene fluviatile sandstone pools were controlled by the "net_rug" drainage system.

上第三系河道砂岩油藏主要受&网-毯&式疏导体系的控制。

The lithologic characters changed from fluviolacustrine sandstone to aeolian Red Clay with thin interval of greyish-white sand layers at the depth of 602 m. It can be inferred from the rock strata and age that the development age of aeolian sequence in Lanzhou area was 7 Ma at least, which is in accordance with the bottom age (7~8 Ma) of the aeolian sequence of the eastern and central Loess Plateau, suggesting that their accumulation processes are unitary.

皋兰山剖面深度602 m处出现由河湖相砂岩向以风成红粘土为主常夹有薄层砂岩的地层转变，通过岩性地层及年代的推断，兰州地区的风尘序列堆积发育的年代至少为7 Ma，与黄土高原风尘序列堆积底界8～7 Ma基本一致，说明了兰州地区与黄土高原在风尘序列堆积过程中具有统一性。

During development of oilfields, unsolidated sandstone will be damaged and sanding in oil formation because of its fragileness, unbalance of pressure, gravel shearing and traction caused by flow liquid.

在油田开发过程中，由于胶结疏松的砂岩地层本身的胶结脆弱性、压力不平衡以及流体对砂粒的剪切、拖曳作用，会造成油层结构的破坏和出砂，影响到油田的正常开发。

The geosynclinal tectonic layer was composed of sandstone-slate rocks of Lengjiaxi Group in the area.

湘东地区属于雪峰山构造带的东延部分，其区域地壳演化至少经历了前地槽、地槽、地台和地洼等构造发展阶段。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。