Guangxi Dachang enrichment of indium field study

Title: Guangxi Dachang enrichment of indium field studyAuthor: Wu YongtianDegree-granting units: Central South UniversityKeywords: large factories and mines field;; indium;; geochemistry;; Genesis;; enrichment ofSummary:Paper to spread the geochemical theory, from Guangxi Dachang Tin analyzing the regional geological context, the application of petrology, structural geology, REE geochemistry, trace element geochemistry, stable isotope geochemistry, geochemical inclusions and other multi-disciplinary knowledge of the Dachang ore field of geology, geochemistry characteristics, genesis was more systematic and in-depth research, thus forming a comprehensive summary of the Neodymium Magnets  law, based on large factories and mines to carry out the enrichment of Indium Tin research work.From the regional geology Dachang Tin analyzing the application of theory to low-lying mineralization theory to explain the Dachang ore field to field through the first slot, platform and to depression (activation) of the tectonic evolution of the three major stages. The former mining area is mainly depositional geosyncline, formed the original rock before the Triassic strata, to the Triassic, the region rose to become the platform to Yanshanian, activation platform, into the low-lying stage, the regional large-scale structure, magmatic activity, low-lying phase for large factories and mines http://www.everbeenmagnet.com/en/products/110-sintered-neodymium-magnets fields important formative years.In the first of the large factories and mines Tanaka and near-ore rock, igneous rocks and mineral trace elements, REE geochemistry of the mutual relations of the study, revealed trace elements and rare earth elements in rocks, ore-forming process, as reflected in geochemical behavior, physical and chemical environmental characteristics that mineralization In partial oxidation in a relatively weak alkaline-forming environment, easy to get rich.In the first of the large factories and mines Tanaka and the relationship between the main ore-forming metals has been studied and found that indium and tin was positively correlated. In and Sn in the similar geochemical behavior, making migration of Sn and In with the same precipitation. In the mineral in the activation of Sn, migration and into the sphalerite lattice plays an important role; In and negative correlation between Zn, indicating that the In early into the sphalerite crystal lattice, in addition to that the In high temperatures tend to enter in the sphalerite lattice.In the first field of large factories and mines relationship with igneous rocks were studied, studies have shown that the mineralization process of magmatic rocks play a role can not be ignored, the more close to the rock, the more the content of indium Bureau.Through the Dachang ore field and regional stratigraphy, magmatic rocks of rare earth characteristics of the study, indicating that the large factories, mines and fields into a source of minerals may be more, rather than a particular strata or magmatic rocks provided. But the river the same car group, Fingers group, garnet River group, Luo group, satisfied with the standard features of the rare earth group of rare earth minerals have certain characteristics in common, the overall performance of the LREE enrichment, flat heavy REE, Eu and Ce loss, reflect the host rock REE ore Dan Duirong inheritance, that is the major REE ore from ore-formation.By the middle of the In content changes in all studies, indicates that large factories, mines and depth of field of In content is positively correlated, also proved in the same ore body, In content and a positive correlation between temperature mineralization.In large factories, mines and fields through the enrichment of research to large factories, mines and fields of genesis, ore mineralization in space law and the performance of a variety of enrichment on variation of the basis for the main forecast, made in large factories, mines and fields There are several favorable parts of the indium-rich ore is easy to form:Long granite around the lid is formed of indium-rich ore favorable position, previous work revolves around the granite body find tin, antimony, and the neglect of which iron sphalerite, pyrite, pyrrhotite iron ore and other studies, from the current master of the situation, and the increasing value of indium in the case, around the ore body of the dragon cover a large number of pyrite, pyrrhotite and sphalerite iron is of great economic value.100 # 105 # lower ore ore is another huge reserves of indium-rich indium ore body, from the current exploration situation, 100 # ore body is known to the world's largest reserves of indium ore body, but its cost Mine ore body temperature lower than 105 #, 105 # and higher-grade ore body is a comprehensive cassiterite sulfide ore body, ore body # 105 is the next focus should be the object of study.Copper pit - long slope deposits is another large area indium-rich ore body.Degree Year: 2009