Documental Report of Geological Field Investigation on “Red Feldspar” in Tibet, China
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摘要: 国家珠宝玉石质量监督检验中心(NGTC)长石调查组在2009年对大量的“西藏红色长石”原料进行了宝石学性质、原石外围物质组成等实验室研究基础上,于2010年5月对西藏日喀则地区白朗县与江孜县交界的门措村、扎林村(E29°04'01.5″,N89°20'54.8″)进行了地质学、矿床学、地层学(包括地层剖面,洪积物、坡积物分析)及地貌学等一系列的实地考察,与村民访谈,观看收样过程及“红色长石”样品。考察及研究表明,所调查地点的“红色长石”是人工撒在地表及埋在浮土层中的,该观点支持了2009年实验室内研究的推断。Abstract: On the basis of lab researches performed in 2009 for the gemmological properties and compositions of peripheral materials of the "red feldspar of Tibet",the feldspar investigation team of National Gemstone Testing Center,China(NGTC) performed a field investigation on occurrence of international disputing about "red feldspar of Tibet" from the geology,mineral deposit,stratigraphy and geomorphology at the border area between Bailang county and Jiangzi county in Shigatse,Tibet(E29°04'01.5″,N89°20'54.8″) in May,2010.The feldspar investigation team interviewed the villagers of Mencuo and Zhalin villages,viewed the trade process and collected the "red feldspar" samples.The results show that the majority of "red feldspar" samples in the field were artificially placed on the ground surface and in the loose ground,which supports the previous deduction of lab researches in 2009.
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Keywords:
- "red feldspar" /
- field investigation /
- Tibet
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