湖南宝、玉石资源及其开发浅议

BRIEF DISCUSSION ON THE HUNAN GEM AND JADE RESOURCES AND DEVELOPMENT

湖南出产宝石历史悠久，长期以来远销海内外，菊花石工艺享誉全球，曾多次在国际博览会上获奖。还有较丰富的海蓝宝石、祖母绿、水晶等十几种宝石、玉石、彩石资源。其地质成因类型主要有砂矿型、沉积型、伟晶岩型、火山岩型，气成－热液型、沉积变质型和接触变质型。

Hunan has a long history in producing precious stones and has long been sold tobotb at home and abroad , the technology of caloareous clay slate has a high reputation all over theglobe and got prizes many times at international Fair There are also more than ten rich preciousstone and jade ,stained stone such as aquamarine ,emerald ,rock crystal.Its geological genetic typesare mainly placer type , sedimentary type ,peginatite type ,volcanic type ,pneumatolyto hy-drothermal type ,sedimentary metamorphic type and contact metamorphic type.