| The Xiaojiao high-grade eclogite-type rutile deposit in Jiangsu, China： Geology, geochemistry and metallogenesis |
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| 引用本文： | 黄建平,马东升,刘聪,陈火根.The Xiaojiao high-grade eclogite-type rutile deposit in Jiangsu, China： Geology, geochemistry and metallogenesis[J].中国地球化学学报,2006,25(1):33-42. |
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| 作者姓名： | 黄建平 马东升 刘聪 陈火根 |
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| 作者单位： | [1]State Key Lab. for Mineral Deposits Research, Nanjing University, Nanjing 210093, China [2]Geological Survey of Jiangsu Province, Nanjing 210018, China [3]Jiangsu Department of Land ＆ Mineral Resources, Nanjing 210018, China |
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| 基金项目： | This study was granted by the National Geological Investigation Program （200010300104）. |
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| 摘 要： | 1INTRODUCTION TITANIUMMETALISPRODUCEDMAINLYFROMNATURAL RUTILEANDSYNTHETICRUTILEOBTAINEDBYENRICHEDILMEN ITE,ANDISWIDELYUSEDASHIGHTECHALLOYS,ESPECIALLY INTHEAIRANDSPACECRAFTINDUSTRYBECAUSEOFITSHIGH STRENGTHATHIGHTEMPERATUREANDRESISTANCETOCORRO SION.THEREISA…
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| 关 键 词： | 榴辉岩 地球化学 地质条件 江苏 层云状 |
| 收稿时间： | 24 June 2009 |
The Xiaojiao high-grade eclogite-type rutile deposit in Jiangsu, China: Geology, geochemistry and metallogenesis |
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| Jianping Huang,Dongsheng Ma,Cong Liu,Huogen Chen.The Xiaojiao high-grade eclogite-type rutile deposit in Jiangsu, China: Geology, geochemistry and metallogenesis[J].Chinese Journal of Geochemistry,2006,25(1):33-42. |
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| Authors: | Jianping Huang Dongsheng Ma Cong Liu Huogen Chen |
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| Institution: | (1) State Key Lab. for Mineral Deposits Research, Nanjing University, 210093 Nanjing, China;(2) Geological Survey of Jiangsu Province, 210018 Nanjing, China;(3) Jiangsu Department of Land & Mineral Resources, 210018 Nanjing, China |
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| Abstract: | The Xiaojiao rutile deposit with stratiform, banded and lens-shaped rutile-bearing eclogite in the Sulu ultra-high pressure metamorphic zone represents the largest and richest primary rutile mineralization in the zone. Four kinds of rutile can be recognized. They are: (1) inclusions in garnet and omphacite; (2) intergranular infilling between garnet and omphacite; (3) altered remnant; and (4) hydrothermal infilling in veinlets. Electron microprobe data show that sodic metasomatism probably from metamorphic fluid could play an important role in rutile mineralization during high and ultra-high pressure metamorphism. The present paper concludes that according to geochemical characteristics, the eclogite originated from mafic and ultramafic rocks in the upper mantle and crust-mantle boundary and the Xiaojiao eclogite-type rutile deposit is genetically closely related to ultra-high pressure metamorphism. |
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| Keywords: | rutile deposit eclogite ultra-pressure metamorphic belt genesis of deposit |
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