Geology and Geodynamic Evolution of the Himalayan Collision Zone, Volume 17, Part 1 - Volume 18, Part 2Dr. K. K. Sharma Pergamon Press, 1991 - Geodynamics |
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Page 202
... Dunite : In Dagzhuka and West Dongqiao massifs dunite consists mainly of olivine with rare orthopyroxene and chrome spinel . Based on refractive index , the com- position of olivine is F097 Fa03 - F092 Fa08 , i.e. forsterite ; and the ...
... Dunite : In Dagzhuka and West Dongqiao massifs dunite consists mainly of olivine with rare orthopyroxene and chrome spinel . Based on refractive index , the com- position of olivine is F097 Fa03 - F092 Fa08 , i.e. forsterite ; and the ...
Page 209
... dunite in Dagzhuka massif contains the highest content of MgO ( Table 2 , No. 1 ) . The con- tents of iron and chromium in the " dunite crust " of podiform chromite ore body in West Dongqiao massif are richer than the dunite in Dagzhuka ...
... dunite in Dagzhuka massif contains the highest content of MgO ( Table 2 , No. 1 ) . The con- tents of iron and chromium in the " dunite crust " of podiform chromite ore body in West Dongqiao massif are richer than the dunite in Dagzhuka ...
Page 227
... dunite patches and into 4,000 m of fresh harzburgites , locally rich in chrome diopside . In west Degzhuka section , the mafic part consists of about 3,500 m thick plutonic rocks , containing isotopic gabbros forming screens and a few ...
... dunite patches and into 4,000 m of fresh harzburgites , locally rich in chrome diopside . In west Degzhuka section , the mafic part consists of about 3,500 m thick plutonic rocks , containing isotopic gabbros forming screens and a few ...
Contents
LHASA SECTOR | 193 |
Regional framework and tectonics of the Yarlung | 221 |
Sedimentology of trencharc sediments and | 237 |
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Acharyya Andaman anomaly Assam basalt basin blueschist Bouguer chert continental Cretaceous crustal crystalline cumulate dunite earthquake Eocene facies fault flysch Formation fossils gabbro Gangdise GANSSER Geodynamic Geol Geology Geophy Gondwana granite greywacke harzburgite high-P Himalaya Himalayan collision zone India Indian plate Indus Suture Indus-Tsangpo Suture island arc Kashmir Klootwijk Kohistan Kumaun Ladakh Lhasa Lhasa block limestone located Lohit magmatic mantle margin massif mega-belt melange metamorphism Mishmi Moho Molnar Naga Hills Nandy Nanga Parbat northern NW Himalaya obducted occur oceanic crust ophiolite ophiolite melange Pakistan Palaeomagnetic pillow lava pole positions pyroxene Qilian Qing-Zang plateau Qinghai-Xizang Plateau radiolarian region samples sandstone schists sector sedimentary sediments seismicity sequence Shan Sharma structure subduction suture zone tectonic tectonites Tectonophysics Terrane Tertiary Tethyan Tethys thrust Tibet TiO2 trench turbidite Triassic turbidite ultramafic upper Verma volcanic rocks Xigaze Xigaze Group Xizang Yarlung Zangbo ophiolite