Jadeite jade:origin,sources,varieties and exploration
Jadeite jade is sometimes referred to as hard jade and dominates the marketplace for gemmaterial.However,its usage rivals soft jade,or nephrite,in early cultures.Recent advances in the studyof jadeite jade,or jadeitite,substantiates an origin in subduction channels through both hydrothermalvein crystallization and metasomatism.The hypotheses of origin are reviewed and studied occurrencesenumerated,with citations,and a synopsis of the main jade varieties found among these deposits isprovided.Finally,guidelines for jadeite jade exploration,based on lithological association and the tectonicframework,are suggested.
jadeite jade origin sources varieties exploration
George E.Harlow Kennet Flores
Department of Earch and Planetary Sciences American Museum of Natural History New York.NY U.S.A.
国内会议
北京
英文
13-22
2011-09-01(万方平台首次上网日期,不代表论文的发表时间)