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 41
... plots ( Figs.8 a - f ) , whereas , a strong positive correlation with continuous variation is shown by SiO2 vs D.I. plots ( Fig.8g ) and a positive correlation with some scatter on K2O vs D.I. plot ( Fig.8h ) . These features point to ...
... plots ( Figs.8 a - f ) , whereas , a strong positive correlation with continuous variation is shown by SiO2 vs D.I. plots ( Fig.8g ) and a positive correlation with some scatter on K2O vs D.I. plot ( Fig.8h ) . These features point to ...
Page 43
... plot ( Fig.6 ) . Similar- ly the crystallization of plagioclase before that of clinopyroxene is supported by the chemistry of clinopyroxene in augite composition . A decreasing Ca content ( Hamidullah in prep . ) also suggests ...
... plot ( Fig.6 ) . Similar- ly the crystallization of plagioclase before that of clinopyroxene is supported by the chemistry of clinopyroxene in augite composition . A decreasing Ca content ( Hamidullah in prep . ) also suggests ...
Page 148
... plot showing tectonic setting ( after Pearce , 1975 ) . The Khardung volcanics show a characteristic calc - alkaline island arc chemistry ( Fig.5B ) and Ti / V ratio of 20 to 50 ( Fig.8C ) , typical of an Andean type margin . Though the ...
... plot showing tectonic setting ( after Pearce , 1975 ) . The Khardung volcanics show a characteristic calc - alkaline island arc chemistry ( Fig.5B ) and Ti / V ratio of 20 to 50 ( Fig.8C ) , typical of an Andean type margin . Though the ...
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