Mafic/ultramafic complex : eclogites/garnet pyroxenites/omphacite pyroxenites layered intrusion in UHP Dabieshan terrane.
Associated harzburgites.
Crustal layered intrusion (Proterozoic magma contaminated by meteoritic water) subducted along gneisses to mantle depth. It underwent UHP (depth > 100 km) metamorphism during China North/South blocks Triassic collision.
Contamination by upper crustal rocks during emplacement and differentiation.
References
- B.M. Jahn et al., Publication Interne, PL01005, Géosciences, Rennes University, France
- The Island Arc 7(1/2), 135-141 (1998)
- American Mineralogist 84, 564-569 (1999)
- Chemical Geology 186, 315-331 (2002)
- Luo Yan, Gao Shan, Yuan Honglin, Liu Xiaomin, Günther, D., Jin Zhenmin, and Sun Min (2004): Ce anomaly in minerals of eclogite and garnet pyroxenite from Dabie-Sulu ultrahigh pressure metamorphic belt: Tacking subducted sediment formed under oxidizing conditions. Science in China, Series D (Earth Sciences), 47(10), 920-930.
Mineral List
14 entries listed. 10 valid minerals.
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