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单词 clastic rock
释义

clastic rock

英汉-汉英词典
碎屑岩
词组 | 习惯用语
您要查找的是不是:
    Clastic rocks 碎屑岩; 翻译;
    Clastic rocks of terrigenous origin 陆源碎屑岩
    plastic rock 塑性岩石
    Classic Rock 经典摇滚;古典摇滚;典范摇滚;老摇滚
    elastic socks 弹力短袜
    clastic rock reservoir 碎屑岩油藏
    calcareous clastic rocks 钙质碎屑岩
clastic rock [岩] 碎屑岩
英语例句库
  1. The deformation belts are formed by Late Carboniferous rocks, mainly mylonitization volcanic rocks and volcanic clastic sedimentary rocks.
    变形带由下石炭统干墩组组成,为一套糜棱岩化火山岩、火山碎屑沉积岩。
  2. Interlayer oxidized zone and argillite-sisandstone-argillite sequence occur in red clastic rock formation with ideal artesian and circulating system of ground water.
    在红色碎屑岩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,是寻找可地浸砂岩型铀矿的有利地区。

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中文百科

碎屑岩

美国羚羊谷的砂岩
Esquema de redondez y esfericidad.
Conglomerado.
Brecha. Observar la forma angular de los clastos.

碎屑岩是由于机械破碎的矿物和岩石碎屑,经过搬运、沉积、压实、胶结,最后形成的新岩石;成分除碎屑物外,还有含量较少的化学物质。

如果残余的碎屑是从沉积区外面的陆地上搬运过来的,叫做陆源碎屑或外碎屑,如果是在沉积区内形成的,叫做内碎屑,内碎屑很少见。

按照碎屑颗粒的大小,碎屑岩可分为:

  • 粗碎屑岩,其碎屑颗粒直径大于2毫米,包括砾岩、角砾岩;
  • 中碎屑岩,其碎屑颗粒直径为2-0.5毫米,叫做砂岩;
  • 细碎屑岩,其碎屑颗粒直径为0.05-0.005毫米,叫做粉砂岩;
英语百科

Clastic rock 碎屑岩

A thin section of a clast (sand grain), derived from a basalt scoria.  Vesicles (air bubbles) can be seen throughout the clast.  Plane light above, cross-polarized light below.  Scale box is 0.25 mm
Claystone from Montana
Sedimentary Rock Chart
Conglomerate

Clastic rocks are composed of fragments, or clasts, of pre-existing minerals and rock. A clast is a fragment of geological detritus, chunks and smaller grains of rock broken off other rocks by physical weathering. Geologists use the term clastic with reference to sedimentary rocks as well as to particles in sediment transport whether in suspension or as bed load, and in sediment deposits.

近义、反义、联想词
近义词
n.
rock, stone

英英词典
clastic rock n.
  1. (geology) a rock composed of broken pieces of older rocks
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