地質(zhì)外文文獻(xiàn)翻譯中英文對(duì)照

1、中 國(guó) 地 質(zhì) 大 學(xué) 長(zhǎng) 城 學(xué) 院地質(zhì)英語(yǔ)論文系 別 地球科學(xué)與 地球科學(xué)與資源系 源系 專 業(yè) 資源勘 源勘查工程 工程 學(xué)生姓名 學(xué)生姓名 學(xué) 號(hào) 03410501 指導(dǎo)教師 2012 年 12 月 16 日f(shuō)ormed in the ground a few kilometers to

2、 tens of kilometers. Tow.The Tow.The formation formation conditions conditions of of magmatic magmatic deposits depositsMagma deposits are mainly derived from the magma, it is the combined effects of the product by a va

3、riety of geological factors, which playing a leading role is the geochemistry of ore-forming elements traits, the magmatic rock conditions, tectonic conditions and physical and chemical conditions and so on.1、Control th

4、e conditions of magmatic rocks formed by magmatic depositsMagma is the main provider of the metallogenic material of the magmatic deposits and the medium of containing mineral medium.Therefore,how much of the content of

5、useful components of magma is the possibility of the formation of magmatic deposits.I.Magmatic rocks metallogenic specializationMetallogenic specialization of magmatic rocks in the genesis of magmatic rocks with endogeno

6、us deposits showed regular contact, and specific types of magmatic rocks are often produced specific types of deposits.a)With mafic and ultramafic intrusive rocks related depositsMafic and ultramafic rock is the complex

7、igneous complex formed by the combination of a variety of rock types, rock types from a single rock composed of rock mass is relatively rare.The size of the rock mass ranging mostly small,and rock strains, rock cover, ro

8、ck, bedrock is the most common form of the rock mass. With facies and the different combinations,the mafic and ultramafic rocks can be divided into three types.b)Mineral deposits associated with syenite, nepheline syeni

9、te and carbonate igneous complexRelating to magmatic deposits of these rocks are mostly produced with the form of rock strain,the different components of rock mass facies zone often has ring distribution.II.The role of

10、the volatile components in the magmaThe magma volatile components have the low melting point,highly volatile and they can delay the condensation rate of the magma, make the magma have more fully differentiation.III.Magm

11、atic assimilation have an influence on the mineralization of the magma DepositsIV.Beyond one period of magma intrusion on control of the mineralization2、Tectonic conditions that control the formation of magmatic deposit