sedimentary rock formation.
沉积岩地层
a sedimentary rock formed from clay deposits.
一种由粘土沉淀物形成的沉积岩。
Sedimentary rock covering older crystalline layers.
沉淀岩覆在旧的水晶状层之上的沉积岩石
The geological componets are mostly sedimentary rock.
这一带的地质成分主要是沉积岩。
The determination of total organic carbon in sedimentary rock.
沉积岩中总有机碳的测定
Sedimentary rock composed of fine fragments,as of clay or mud.
泥质岩，黏土岩如粘土或湿泥等由细碎片构成的沉积岩石
Danxia Landforms consist of red sedimentary rock and steep cliffs.
丹霞上由红色的沉积岩和陡峭的山崖组成。
Bedding is the most important structural feature of sedimentary rock.
层理是沉积岩最主要的构造特征。
Relationship Between Porosity and Fractal Dimension of Sedimentary Rock.
沉积岩的孔隙分维与孔隙率的关系
Before these sediments become sedimentary rock, it is called beach rock.
你认为海滩岩最终可演变成哪种沉积岩?
A sedimentary rock formed by the deposition of successive layers of clay.
沉积岩没有形成穹丘。一种由粘土逐层沉积而成的沉积岩。
a sedimentary rock formed by the deposition of successive layers of clay.
一种由粘土逐层沉积而成的沉积岩。
an underground accumulation of petroleum or gas in porous sedimentary rock
位于多孔的沉积岩中的地下石油层或瓦斯层
An underground accumulation of petroleum or gas in porous sedimentary rock.
贮油层, 瓦斯层位于多孔的沉积岩中的地下石油层或瓦斯层
A sedimentary rock consisting predominantly of apatite and other phosphates.
磷灰岩，磷钙土主要由磷灰石和其它磷酸盐组成的沉积岩
Researchers analyzed trace elements in sedimentary rock from dozens of sites.
研究者们分析了来自许多不同地方沉积岩中的痕量元素。
Sedimentary rock is formed by the accumulation and consolidation of sediments.
沉积岩是由沉积物堆积及固结而成。
Relation between acoustic velocity of shallow sedimentary rock and character of rocks.
浅层沉积岩的声波波速特性与岩性之间的关系
A bed or layer of sedimentary rock having approximately the same composition throughout.
地层组成成份大致相同的沉积岩的岩床或岩层。
Structures, sedimentary reservoirs, and source rock control petroleum accumulation process.
油气成藏作用受构造、沉积储层、烃源岩的控制。
Anthropologists of future centuries can be spared digging through layers of sedimentary rock.
未来几个世纪的人类学家可以不用再挖掘水成岩层了。
The term fossil fuel refers to the trapped remains of plants and animals in sedimentary rock.
所谓化石燃料是指在沉积岩中植物和动物的残骸。
Coal is a sedimentary rock composed principally of carbonaceous macerals and inorganic minerals.
煤是一种有机沉淀岩，主要包括有机碳化合物和无机矿物。
The lithology is mainly composed of lava basalt， pyroclastic rock and volcanic sedimentary rock.
其岩性主要为熔岩类玄武岩，火山碎屑岩和火山沉积岩
a sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals.
一种沉积岩，主要由海洋生物遗体中的钙构成。
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