块状硫化物矿床的类型、分布和形成环境 - 地球科学与环境学报.PDF

29 4 No .4 Vol .2 9 2 0 0 7 12 　Journal of Earth Sciences and Environment 　 Dec.2 0 0 7 、 李 文 渊 ( , 710054) :, , 、 , 。 , , , , , 。 , 。 。 :;;;; :P612　:A　:1672-6561(2007)04-0331-14 Classification, Distribution and Forming Setting of Massive Sulfide Deposits LI Wen-yuan (X i an I nst it ut e of Geolog y an d M ineral R esources , X i an 710054, Sh aanx i, Ch ina) Abstract:The metallogenic setting and classification of massive sulfide deposits is generalized from the global ey eshot, the im portance of oceanic and island arc or continental environments to classifications of the ore deposits is emphasized, and the comple ity of a transitional mineralization in the transition of metallogenic setting f rom oceanic crust into continental crust is discussed, the geological distribution and metallogenic characteristics of massive sulfide deposits in the global continental blocks and primary organic belts are analyzed.It is found that the amount of massive sulfide deposits in the southern hemisphere is more than that in the northern hemisphere, and Archaeozoic and Cenozoic-Mesozoic Eras are major metallogenic epochs for the massive sulfide deposits, and Late Palaeozoic ne t, but in China, Early Palaeozoic is more important w hich is different visibly from the conditions of the globe.The metallogenic evolution and forming setting of the global massive sulfide deposits are analyzed.The importance of study ing the oceanic environments of back-arc basins in geological histories to find the deposits is fut forw ord, a method applying high field strength elements to discriminate tectonic setting of the deposits