Geology and Geodynamic Evolution of the Himalayan Collision Zone, Volume 17, Issue 2K. K. Sharma |
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Page 71
... amphibolites can be divided into banded and non - banded varieties . Despite a minor quantity of associated metasediments , the banded amphibolites are not metasedimentary themselves ; they were derived from volcanic and plutonic ...
... amphibolites can be divided into banded and non - banded varieties . Despite a minor quantity of associated metasediments , the banded amphibolites are not metasedimentary themselves ; they were derived from volcanic and plutonic ...
Page 74
... Amphibolites . Amphibolites can form by metamorphism of : a ) basic igneous rocks , including tuffs ; b ) appropriate mixture of pelite , dolomite and limestone ; c ) mixture of sedi- ments and tuffs ; and d ) by metasomatic processes ...
... Amphibolites . Amphibolites can form by metamorphism of : a ) basic igneous rocks , including tuffs ; b ) appropriate mixture of pelite , dolomite and limestone ; c ) mixture of sedi- ments and tuffs ; and d ) by metasomatic processes ...
Page 75
... amphibolites are of vol- canic origin ( flows and / or tuffs ) . Some finer - grained and banded amphibolites have undoubtedly also developed after metagabbros in shear zones that may be quite broad and extensive . Not enough work has ...
... amphibolites are of vol- canic origin ( flows and / or tuffs ) . Some finer - grained and banded amphibolites have undoubtedly also developed after metagabbros in shear zones that may be quite broad and extensive . Not enough work has ...
Contents
Entrapment of an intraoceanic island arc | 1 |
Seismicity of the Himalaya and the northeast | 19 |
Petrology and geochemistry of the western part | 31 |
Copyright | |
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acid amphibolite belt amphibolites andesite B.F. WINDLEY basalt batholith biotite Bull calc-alkaline Chalt volcanics Chilas Complex clinopyroxene continental Coward Cretaceous crust crystallization deformation diagram diorites Dras island arc Dras volcanics dykes Earth Planet evolution flysch gabbros garnet geochemical geochemistry Geol Gilgit granite granitoids granodiorite granulites high-Mg Himalaya Himalayan Geology Honegger hornblende Hunza India Indian plate Indus suture zone intruded island arc Jijal Complex K.K. Sharma Kamila Karakoram Khalsi Khan Khardung volcanics Kohistan Kohistan Arc Kohistan batholith Ladakh batholith Ladakh magmatic arc leucogranite mafic margin metamorphism mineral Nanga Parbat Northern Suture oceanic olivine ophiolite ophiolitic melange Pakistan peridotites Peshawar Petrology Petterson and Windley phase-I plagioclase plot plutons Pudsey quartz samples sediments shear zone Shyok volcanics SiO2 southern stage-II subduction Suture Swat Tahirkheli tectonic tholeiitic thrust TiO2 tonalite trace element trondhjemites ultramafic ultramafic rocks Univ uplift valley volcanic rocks volcanics