Geology and Geodynamic Evolution of the Himalayan Collision Zone, Volume 17, Issue 2K. K. Sharma |
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Page 34
... hornblende and occasionally clinopyroxene . Hornblende and clinopyroxene also occur in the volcanics from Utror and Gabral areas north west of Kalam , upper Swat ( Hamidullah and Onstot , in prep . ) . Andesite with hornblende and ...
... hornblende and occasionally clinopyroxene . Hornblende and clinopyroxene also occur in the volcanics from Utror and Gabral areas north west of Kalam , upper Swat ( Hamidullah and Onstot , in prep . ) . Andesite with hornblende and ...
Page 35
... hornblende crystals occur as cores . Corona structures with cores of magnetite sur- rounded by plagioclase and followed by hornblende has been noticed in certain dioritic rocks from Baraul and Sheringal areas . Biotite occurs as flakes ...
... hornblende crystals occur as cores . Corona structures with cores of magnetite sur- rounded by plagioclase and followed by hornblende has been noticed in certain dioritic rocks from Baraul and Sheringal areas . Biotite occurs as flakes ...
Page 43
... hornblende and clinopyroxene , followed by crystallization of the groundmass minerals . This se- quence indicates crystallization under low pH2O but high pO2 . However , in volcanic pipes where hornblende has crystallized ( Girgo Khwar ...
... hornblende and clinopyroxene , followed by crystallization of the groundmass minerals . This se- quence indicates crystallization under low pH2O but high pO2 . However , in volcanic pipes where hornblende has crystallized ( Girgo Khwar ...
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