矿床

We have found a promising iron deposit.

们已经发现了一个有开采价值的铁矿床。

Under favorable conditions,sellaite-fluorite type gold deposit will be formed from the solution.

在合适的条件下形成氟镁石-萤石型金矿床。

The zimenqiao Formation silicolites of Lower Carboniferous is the country rock of Changkeng Au-Ag deposit.

下石炭统梓门桥组硅质岩是粤西长坑金银矿床的直接容矿岩石。

The wallrock alterations of gold mineralization include silicification,pyritization,sericitization,potassic alteration,chloritization and carbonitization.

根据常福龙沟金矿成矿地质特征,矿床成因属构造蚀变岩型。

Shagou deposit mainly lies in the metamorphic rock of Taihua Group,Archaeozoic erathem.

本矿床主要的赋矿地层为新太古界太华群高级变质岩。

The deposit was produced by superimposition of the hot-water sedimentary mineralization and magmatic hydatogenesis.

该矿床是热沉积成矿作用与岩浆热液成矿作用叠成矿的产物。

The cement anthraxolite and the squama anthraxolite are most important to this deposit.

浸染状碳沥青多属原生沉积碳沥青，对矿床的形成仅起一定的还原沉淀的作用。

The Weizi gold deposit has close relation to An-bearing siliconite formed by metamorphic differentiation.

隈子金矿床与辽河群盖县组合金硅质体关系密切，硅质体属变质分异而成。

Besides sapphire, zircon and almandine are produced in Minxi, Fujian, which form gem mineral association.

除蓝宝石之外，该矿床还产有锆石，镁铝榴石，形成一个有一定规模的宝石矿物组合。

In course of sinking the well-shaft they came upon a deposit of a very rare mineral.

他们在凿井的过程中, 发现了一处稀有矿物矿床。

Dongping gold deposit occurs in the internal contact belt between Shuiquangou alkali mixtite and old layers.

东坪金矿床赋存沟碱性杂岩体与老地层的内接触带上。

The major ore mineral in the Shijuli copper deposit is chalcopyrite, copperas stone and so on.

石居里铜矿床矿石中主要矿石矿物由黄铜矿及黄铁矿等组成。

Alkalescent granites and gold-related silication and argillation are geological prerequisites for the formation of noticeable gold deposits.

摘要偏碱性花岗岩及与金的成矿活动有关的硅化、粘土化蚀变是黑刺沟金矿田规模金矿床存在的地质前提。

The Xiaorequanzi copper (zinc) deposit is situated in the south of a paleovolcanic domain in Haerlik-Danahu late Palaeozoic continental margin island.

摘要位东天山的小热子铜（锌）矿床是该地区有较大开发意义的矿床类型。

Langquan microgranular disseminated type gold deposit is a new type of gold deposits discovered in recent years in northwestern Guangxi province.

浪全微细粒浸染型金矿是桂西北近年来发现的新类型金矿床。

In addition , only pentlandite, coffinite and the epidote in the alteration zone of volcanogene hydrothermal gold deposit are typomorphic minerals.

同时指出只有镍黄铁矿、硅铀矿和火山热液型金矿床蚀变带中的绿帘石为标型矿物。

Zhaocun bentonite deposit oringnated from tuff rich in volcanic hyalocrystalline,which underwent hydrolysis and alteration in Changxing county,Zhejiang province.The deposit has middle scale.

浙江省长兴县赵村膨润土矿是由富含火山玻璃质的凝灰岩原地解蚀变形成的膨润土矿床,矿床具中型规模。

The types of deposits basically are differential metasomatism in the later magma, pneumatolytic hydrothermal process, pegmatite process, residual deposits and placer deposits.

矿床类型以岩浆晚期分异交代型、气成热液型、伟晶岩型、风化壳型和砂矿型为主。

The metallogenic material was from deep alkalic basaltic magma, and the pulsatory invasion was the necessary metallogenic condition of the ore deposit.

成矿物质源碱性玄武岩浆，基性次火山岩浆多次脉动式入侵是矿床形成的必要条件。

They can be divided into low sulphidation and high sulphidation types,with typical wall rock altera tion and alteration zonation of epit hermal de-posit.

这些矿床可分为高硫化型和低硫化型,且都具有典型的围岩蚀变、蚀变分带等矿床特征。