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 33
... diorites were distinguished by Jan and Mian ( 1971 ) and Khalil et al . ( 1973 ) , ( a ) gneissose diorite , ( b ) smoky diorite and ( c ) orbicular diorite . On the basis of coloured con- stituents , Majid ( 1979 ) classified these ...
... diorites were distinguished by Jan and Mian ( 1971 ) and Khalil et al . ( 1973 ) , ( a ) gneissose diorite , ( b ) smoky diorite and ( c ) orbicular diorite . On the basis of coloured con- stituents , Majid ( 1979 ) classified these ...
Page 51
... diorites and trondhjemites , ( 2 ) undeformed gabbros , diorites and granites , and ( 3 ) sheets of undeformed leucogranites . The approximate relative proportions of the different rocks compositions are : deformed intermediate and acid ...
... diorites and trondhjemites , ( 2 ) undeformed gabbros , diorites and granites , and ( 3 ) sheets of undeformed leucogranites . The approximate relative proportions of the different rocks compositions are : deformed intermediate and acid ...
Page 64
... diorites have steep LREE - enriched patterns with Cen / Ybn ratios of approximately 20. The REE evidence suggests ... diorites are high - K calc - alkaline andesites . Thus the trondhjemites probably represent the acid extreme of a low ...
... diorites have steep LREE - enriched patterns with Cen / Ybn ratios of approximately 20. The REE evidence suggests ... diorites are high - K calc - alkaline andesites . Thus the trondhjemites probably represent the acid extreme of a low ...
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