FLUID INCLUISIONS IN TOPAZ CRYSTAL FROM MAOPING TUNGSTEN DEPOSIT , SE CHINA

摘要

Introduction China is the most important tungsten producer in the world.The most of W deposits in china are located in south china,especially in Nanling range (including southern Jiangxi,northern Guangdong,southeastern Hunan,and northeastern Guangxi) and adjacent areas.Among these W deposits,Quartzwolframite vein deposits and skarn type deposits are the most important and economically valuable.