榴辉岩中金红石的矿物地球化学研究及其意义

陈振宇; 王登红; 陈毓川; 徐珏; 余金杰; 王平安

Volume 31 Issue 4

Jul. 2006

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Article Navigation > Earth Science > 2006 > 31(4): 533-538

CHEN Zhen-yu, WANG Deng-hong, CHEN Yu-chuan, XU Jue, YU Jin-jie, WANG Ping-an, 2006. Mineral Geochemistry of Rutile in Eclogite and Its Implications. Earth Science, 31(4): 533-538.

Citation:

CHEN Zhen-yu, WANG Deng-hong, CHEN Yu-chuan, XU Jue, YU Jin-jie, WANG Ping-an, 2006. Mineral Geochemistry of Rutile in Eclogite and Its Implications. Earth Science, 31(4): 533-538.

CHEN Zhen-yu, WANG Deng-hong, CHEN Yu-chuan, XU Jue, YU Jin-jie, WANG Ping-an, 2006. Mineral Geochemistry of Rutile in Eclogite and Its Implications. Earth Science, 31(4): 533-538.

Citation:

CHEN Zhen-yu, WANG Deng-hong, CHEN Yu-chuan, XU Jue, YU Jin-jie, WANG Ping-an, 2006. Mineral Geochemistry of Rutile in Eclogite and Its Implications. Earth Science, 31(4): 533-538.

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Mineral Geochemistry of Rutile in Eclogite and Its Implications

1.
Institute of Mineral Resources, Chinese Academy of Geological Sciences, Beijing 100037, China
2.
Chinese Academy of Geological Sciences, Beijing 100037, China
3.
Development and Research Center, China Geological Survey, Beijing 100037, China

Received Date: 2006-04-05
Publish Date: 2006-07-25

Abstract

Abstract

The study of rutile's mineral geochemistry can provide important information for the investigation of petrology and the geodynamics of a subduction zone. Rutile-bearing eclogite (eclogitic-rutile deposit) in Sulu UHPM terrane and the > 5 000 m deep CCSD main hole provide a good opportunity for the geochemical investigation of rutile. Preliminary research has shown that eclogites of different occurrences and different types in Sulu UHPM terrane and CCSD main hole have different trace element contents, which indicate that trace elements in rutile can serve as a practical tool for provenance tracing of eclogite and for estimation of rutile mineralization temperature. Pb isotope composition of 3 rutile samples showed two abrupt changes during step-leaching analysis, which may be a reflection of tectonic condition variation during the growth history of rutile, and have potential use in tracing the process of continental subduction-exhumation. Further detailed studies on the geochemistry of rutile are needed to provide new knowledge on the geodynamics of the subduction-exhumation of Sulu terrane, and on the eclogitic rutile deposit.
- rutile,
- trace elements,
- isotope,
- UHPM rocks,
- eclogitic rutile ore

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References(36)

References

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