地質外文文獻翻譯中英文對照-在線瀏覽
2024-09-13 02:14本頁面
【正文】 deposits and distribution law is of great significance.題目：巖漿礦床一、巖漿礦床巖漿是含有一定數量金屬及揮發(fā)性組分的硅酸鹽熔融體。精品資料長安大學資源學院英語文獻翻譯 學 院 地球科學與資源學院 專 業(yè) 資源勘查工程 學生姓名 張?zhí)? 學 號 201127020308 指導教師 張亞敏 2015年6月18日Title:Orthomagmatic ore deposits ore depositsThe magma contains a certain number of metal and volatile ponents of the silicate melt. All kinds of magma after crystallization and differentiation, make the forming materials dispersed in the magma gathered and formed this deposits is called magmatic deposits.Magmatic deposits formed in the magmatic stage, the source of the material of the deposit is the main orebearing magma.Magmatic deposits is the product of the magma by crystallization and differentiation, and generally have the following properties: Deposits have the mainly relationship with the mafic and ultramafic a small number of magmatic deposits with alkaline rocks or magmatic carbonatiterelated. Mineralization and diagenesis often begin at the same this is typical of syngenetic ore deposits. Few mineralization of the magmatic deposits may be continued to a later time, but generally does not exceed a total period of magmatic activity. The magmatic deposits ore body majority present stratiform, lenticular and podiform and so they produced in the magma body,and the wall rock of containing ore is the mother cases,orebody presenting vein and stockwork enter the wall rock which outside of the mother rock Between the ore body and the wall rock generally is gradual change or rapid gradual change penetration magmatic deposits have the clear boundaries with the wall rock. Except the rare and rare
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