mid-ocean ridge

On the Formation of the Chinese Nation THE FORMATIVE PROCESS OF MID-OCEAN RIDGE

论中华民族的形成过程大洋中脊的形成过程

Exploration for Hydrothermal Fluids of Mid-Ocean Ridge and Novel Chemical Sensors

大洋中脊热水探测与新型传感器

Characteristics of trace and rare earth elements suggest that Ophiolite originated from the setting similar to mid-ocean ridge .

微量元素和稀土元素特征显示蛇绿岩形成于类似洋中脊的构造环境。

Both island arc and mid-ocean ridge magmas apparently come from the mantle yet they have different compositions .

岛弧和洋中脊火山岩都明显来自地幔然而他们有不懂的组成。

A mid-ocean ridge is a boundary between plates where new lithospheric material is injected from belows .

一道中海脊是板块之间的边界，在那里新的岩石圈的物质从下部注入。

Advances and Trends of Mid-ocean Ridge Geology Studies : A Review of the InterRidge Workshop 2003 , Beijing

大洋中脊地质研究的进展与趋势&2003北京大洋中脊国际学术研讨会述评

Mid-ocean ridge systems are interpreted as the huge dike systems rooted in some principal magma chambers in the core-mantle boundary layer .

洋中脊系统被解释成巨大的岩墙系统，生根于核-幔边界层中某些主岩浆房。

The speed of the lithosphere relative to the asthenosphere affects greatly the temperature field , the heat flow and the melting depth at the mid-ocean ridge .

岩石层的相对移动速度对大洋中脊岩石层温度场及融化深度影响较大。

Jurassic and Cretaceous , the marginal ocean basin was in the stage of ocean crust evolution and had a setting similar to mid-ocean ridge .

侏罗－白垩纪为洋盆洋壳演化期，处于类似洋中脊的构造环境。

As magma rises under the mid-ocean ridge , ferromagnetic minerals in the magma become magnetized in the direction of the geomagnetic field .

当岩浆从中海脊下涌起的时候，岩浆中的磁铁矿物质按地磁场的方向被磁化。

As the plates diverge from a mid-ocean ridge they slide on a more yielding layer at the base of the lithosphere .

当板块从中海脊脱离时，它们滑向在岩石圈基部较易变形的地层上。

The study of geochemistry indicates that these metabasic volcanic rocks are characterized with N-type MORB ( mid-ocean ridge basalt ) .

地球化学研究表明，其为典型的大洋拉斑玄武岩（MORB型玄武岩）。

The age of single grain zircon U-Pb of the gabbro is 362.4 Ma ( early Devonian ) . The new rock association formed on the mid-ocean ridge of Devonian Period .

同时在辉长岩中获得单颗粒锆石UPb年龄为362.4Ma，时代为早泥盆世晚期。

The anisotropy of background radiation in the polar directions determines the geometric pattems of mid-ocean ridge systems on the Earth 's surface and global tectonic movement of the Earth 's crust .

目前，地球遭受着较强的向南极之上的背景辐射和相对较弱的向北极之上的背景辐射。

The existence of the large-scale submarine hydrothermal water circulation system and metal-rich accumulation is one of the recent important discoveries of the mankind . They are distributed along the rapidly developing Eastern Pacific mid-ocean ridge .

洋底大规模热水环流系和富金属堆积的存在是近年来人类重大发现之一，它们沿快速扩展的东太平洋中脊分布。

The basic volcanic rock enrich in Fe 、 Mg 、 Na , and poor in Al 、 Ti 、 K. According to the trace element , the palaeo-environment is suggested as mid-ocean ridge environment .

基性火山岩具明显的富Fe、Mg、Na，贫Al、Ti、K的特征，微量元素显示形成于洋中脊环境。

The Study of Coal Bed Methane Seepage Rule in Hypotonic Reservoir Considering Slippage Effects As the plates diverge from a mid-ocean ridge they slide on a more yielding layer at the base of the lithosphere .

滑脱效应影响的低渗透储层煤层气运移规律研究当板块从中海脊脱离时，它们滑向在岩石圈基部较易变形的地层上。