Geology and Geodynamic Evolution of the Himalayan Collision Zone, Volume 17, Part 2 - Volume 18, Part 2Dr. K. K. Sharma Pergamon Press, 1991 - Geodynamics |
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Page 34
... plagioclase and or- thoclase occurring as phenocrysts in a groundmass of chlorite , epidote and opaque minerals . Normative olivine , hypersthene and diopside above 30 % are present in these rocks . Plagioclase vigorously alters to ...
... plagioclase and or- thoclase occurring as phenocrysts in a groundmass of chlorite , epidote and opaque minerals . Normative olivine , hypersthene and diopside above 30 % are present in these rocks . Plagioclase vigorously alters to ...
Page 43
... plagioclase before that of clinopyroxene is supported by the chemistry of clinopyroxene in augite composition . A decreasing Ca content ( Hamidullah in prep . ) also suggests crystallization of plagioclase prior to or together with ...
... plagioclase before that of clinopyroxene is supported by the chemistry of clinopyroxene in augite composition . A decreasing Ca content ( Hamidullah in prep . ) also suggests crystallization of plagioclase prior to or together with ...
Page 103
... plagioclase- bearing ( basic to intermediate ) and plagioclase - bearing ( ultrabasic to basic ) types ; the two types representing difference in bulk chemistry than metamorphic grade . Garnet + plagioclase + clinopyroxene + quartz + ...
... plagioclase- bearing ( basic to intermediate ) and plagioclase - bearing ( ultrabasic to basic ) types ; the two types representing difference in bulk chemistry than metamorphic grade . Garnet + plagioclase + clinopyroxene + quartz + ...
Contents
volcanism in a Cretaceous island | 19 |
KalamDir igneous complex Kohistan arc | 31 |
geochemical review of Kohistan batholith and | 47 |
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amphibolite belt amphibolites andesite B.F. WINDLEY basalt batholith biotite Bull calc-alkaline Chalt volcanics Chilas Chilas Complex clinopyroxene composition 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 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 suggest Suture Swat Tahirkheli tectonic tholeiitic thrust TiO2 tonalite trace element trondhjemites ultramafic ultramafic rocks Univ uplift valley volcanic rocks volcanics