【正文】 e and rare earth elements deposits of the magmatic carbonatite due to special causes have some alteration about the wall rock,the vast majority of magmatic deposits surrounding rock does not have a significant alteration phenomenon. The ore and the wall rock basically have the same mineral position, when the useful minerals of the rock body aggregate and reach a certain size,they bee the orebody. The ore of magmatic deposits often have,disseminated,the banded,eye porphyritic,dense massive,brecciated and so on,ore ores structure can be broadly divided into the following categories: subthe different magmatic condensate crystalline or stacking interactions。 控制巖漿礦床形成的巖漿巖條件巖漿是巖漿礦床成礦物質(zhì)的主要提供者和攜帶成礦物質(zhì)的介質(zhì)，因此巖漿中有用組分含量的多少對能否形成巖漿礦床有重要影響。 結(jié)晶分異成礦作用與巖漿分結(jié)礦床巖漿冷凝時，隨著溫度的逐漸下降，各種礦物依次從中晶出，導(dǎo)致巖漿成分不斷改變，巖漿成分的改變又促使某些組分的結(jié)晶，這種隨結(jié)晶作用巖漿成分發(fā)生改變的過程稱之為結(jié)晶分異作用。與巖漿礦床有關(guān)的鎂鐵超鎂鐵質(zhì)巖體的成巖過程十分復(fù)雜，因此成礦作用也是多種多樣的。成礦深度變化也較大，一般都形成于地下幾公里至幾十公里。 the structure of the immiscible fluid crystallization process the changes in the structure of the physical and chemical structure. The magmatic deposits forming temperature is high, generally between 1200 to 700 176。I巖漿巖成礦專屬性巖漿巖成礦專屬性是指巖漿巖與內(nèi)生礦床間在成因上表現(xiàn)出有規(guī)律的聯(lián)系，一定類型的巖漿巖經(jīng)常產(chǎn)有一定類型的礦床。 巖漿熔離成礦作用與熔離礦床巖漿熔離作用亦稱液態(tài)分離作用或不混溶作用，是指成分均勻的巖漿熔融體隨著溫度和壓力的降低，分離成兩種成分不同的熔融體的作用。 巖漿礦床的形成作用及其特征巖漿中有用組分分析、聚集和定位的過程稱為巖漿成礦作用。 巖漿礦床的形成溫度較高，一般在1200~700℃之間。 C. The mineralization depth changes,generally formed in the ground a few kilometers to tens of kilometers. formation conditions of magmatic depositsMagma deposits are mainly derived from the magma, it is the bined effects of the product by a variety of geological factors, which playing a leading role is the geochemistry of oreforming elements traits, the magmatic rock conditions, tectonic conditions and physical and chemical conditions and so on. Control the conditions of magmatic rocks formed by magmatic depositsMagma is the main provider of the met