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冈底斯岩浆带雄村矿床多期次成矿探讨
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作者 张金树 多吉 +3 位作者 钟康惠 赵俊兴 杨成业 尊珠 《高原科学研究》 2018年第2期1-11,共11页
文章根据多次叠加成矿的矿相学证据、稀土地球化学证据、同位素地球化学证据、年代学证据,对西藏冈底斯岩浆带雄村矿床多期次成矿进行了探讨。认为雄村铜金矿代表了雅江洋俯冲阶段形成的斑岩型铜金矿,但后期存在多期叠加成矿作用。雄村... 文章根据多次叠加成矿的矿相学证据、稀土地球化学证据、同位素地球化学证据、年代学证据,对西藏冈底斯岩浆带雄村矿床多期次成矿进行了探讨。认为雄村铜金矿代表了雅江洋俯冲阶段形成的斑岩型铜金矿,但后期存在多期叠加成矿作用。雄村铜金矿的矿石具有异常复杂的金属矿物组合(发现闪锌矿可与14种金属矿物组合,黄铜矿可与16种金属矿物组合)特征,同时具有同种矿物多种产出状态、同种矿物不同标型、同种标型组合复杂等特点;单矿物稀土地球化学表明,4个世代的石英稀土总量(∑REE=0.596706~5.423752(×10^(-6)))大于磁黄铁矿和黄铁矿的稀土总量(∑REE=0.126854~0.883578(×10^(-6))),早世代到晚世代的石英稀土总量有增加趋势,轻稀土富集程度有减弱趋势,重稀土亏损程度有递减趋势,硫化物重稀土比硅化石英重稀土偏高;雄村矿床叠加矿化的矿液来源于基性岩浆,成矿流体具有高氧逸度特点,同位素地球化学特征也具有多期次叠加成矿的特征;雄村矿床成矿背景在造山带与洋岛叠合区域,岩浆源区的形成及岩浆侵位与俯冲作用和造山作用具有一定关系,成矿金属物质源区在上地壳与地幔之间,偏地幔一侧;硫源具有岩浆硫/深源硫特征;氢氧同位素地球化学特征表明,流体以岩浆水为主,地层成分水混入较少,成矿溶液大规模活动,矿液较少混入地层水,而强度较小规模有限的前锋部位的地层水混入较多;单矿物Pb-Pb模式年龄、石英的HAESRDQ年龄显示,雄村矿床有52.7~70.4 Ma的成矿作用。 展开更多
关键词 冈底斯 矿床 多期成矿 成矿特征
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5th WORLD BUDDHIST FORUM HELD IN PUTIAN
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作者 dorje 《China's Tibet》 2018年第6期F0002-F0002,共1页
The Sth World Buddhist Forum was held from Oct. 28th to30th in the city of Putian, east China’s Fujian Province. Themed with exchange for mutual learning and middle way for perfect harmony, the forum aims to carry fo... The Sth World Buddhist Forum was held from Oct. 28th to30th in the city of Putian, east China’s Fujian Province. Themed with exchange for mutual learning and middle way for perfect harmony, the forum aims to carry forward the positive Buddhist cultural spirits, promote exchanges between Buddhism and other religions, and make contributions to building a community with a shared future for humanity. A record number of about l,000Buddhists, scholars and representatives from 55 countries and regions attended the event. The 11th Panchen Erdeni Choskyi Gyalpo attended the forum and delivered a keynote speech. 展开更多
关键词 论坛 佛家 世界 控制 文化精神 福建省 学习 事件
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“Long Distance Medical Treatment” in Old Tibet
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作者 Ngawang dorje Sochung 《China's Tibet》 2009年第2期24-28,共5页
In 1966,Ngawang Dorje served successively as a military lieutenant,party secretary of the district,subprefect and vice director of the People's Congress of the county.He is adept in agricultural production.Having for... In 1966,Ngawang Dorje served successively as a military lieutenant,party secretary of the district,subprefect and vice director of the People's Congress of the county.He is adept in agricultural production.Having formally retired,he was again reemployed by the county government to work in the agricultural development office of the county until finally retiring today.At present,he is living in his house located at Gyantse County in a comfortable and relaxed old age. 展开更多
关键词 远程医疗 农业综合开发办公室 西藏 下岗再就业 党委书记 政府工作 老年生活 副主任
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Tibet Is Writing the History of the Future
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作者 Degyi dorje 《China's Tibet》 2019年第4期4-9,共6页
On June 14, 2019 Forum on the Development of Tibet, China, was held in Lhasa, Tibet Autonomous Region (TAR). The forum focused on the Belt & Road Initiative (BRI) and Tibet's opening-up & development. Ther... On June 14, 2019 Forum on the Development of Tibet, China, was held in Lhasa, Tibet Autonomous Region (TAR). The forum focused on the Belt & Road Initiative (BRI) and Tibet's opening-up & development. There were more than 160 experts and scholars from 37 countries and regions being the forum. They were divided into three groups, Tibet in the Silk Road civilizations, role of Tibet in the BRI, the opening-up of Tibet and the inheritance & development of Tibetan culture, shared their research and gave advice on TAR's development, progress and moder nizati on .These reporters witn essed the forum and enjo yed their presentations. The follows are just some examples. 展开更多
关键词 TIBET LHASA BRI
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Ancient Rock Paintings and BOLIN GYIASA RUINS IN MARKANG
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作者 dorje 《China's Tibet》 2001年第3期28-28,共1页
关键词 Ancient Rock Paintings and BOLIN GYIASA RUINS IN MARKANG
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Marriage Customs in Jiarong
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作者 dorje 《China's Tibet》 1994年第2期40-42,共3页
For Tibetans in the Jia-rong area,marriage pro-ceeds through four steps:matchmaking engagement,wedding and dispatch of a dowry.Al except:the finst entail essential ceremonies.
关键词 CUSTOMS
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ECONOMIC DEVELOPMENT IN TIBET:What the CPPCC Tibetan Members Say
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作者 dorje TOINZHUB 《China's Tibet》 2000年第3期8-10,共3页
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