Geological Bulletin, Volume 14University of Peshawar, 1981 - Geology |
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Page 60
... ISLAND ARC AND THAT OF THE CONTINENTAL MARGIN ( ANDEAN ) AFTER JAKE AND WHITE ( 1972 ) . Range of SiO2 FeO + Fe2O3 / MgO K2O / Na2O Continental margin ( Andean ) Island Arc Kalam volcanic zone ( average ) 56 to 75 % 50 to 60 % 56 to ...
... ISLAND ARC AND THAT OF THE CONTINENTAL MARGIN ( ANDEAN ) AFTER JAKE AND WHITE ( 1972 ) . Range of SiO2 FeO + Fe2O3 / MgO K2O / Na2O Continental margin ( Andean ) Island Arc Kalam volcanic zone ( average ) 56 to 75 % 50 to 60 % 56 to ...
Page 161
... island arc turned on end during the Himala- yan orogeny . However , the structure of the region is very complex with ... island arcs . The Kohistan sequence contains numerous occurrences of veins to stock - size granitic bodies ...
... island arc turned on end during the Himala- yan orogeny . However , the structure of the region is very complex with ... island arcs . The Kohistan sequence contains numerous occurrences of veins to stock - size granitic bodies ...
Page 199
... island arc . ( 2 ) Late Cretaceous : Intrusion of the Chilas , Jijal , Kargil basic complex ( es ) ; and development of blueschists . ( 3 ) Paleocene to very Early Eocene : Collision of the island arc with India ( Powell , 1979 ) ...
... island arc . ( 2 ) Late Cretaceous : Intrusion of the Chilas , Jijal , Kargil basic complex ( es ) ; and development of blueschists . ( 3 ) Paleocene to very Early Eocene : Collision of the island arc with India ( Powell , 1979 ) ...
Contents
Petrography of the Loe Shilman Carbonatite Complex Khyber Agency | 29 |
Major Elements Abundance in the Kalam Lavas | 45 |
Sections of the Wargal Limestone Western Salt Range Pakistan | 63 |
Copyright | |
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albite albite-carbonate albitites alkaline granites alkaline rocks almandine Amph amphibole andesite apatite associated band beds betafite biotite blueschists brown Bull calc-alkaline calcareous calcite carbonate carbonatite Chaudhry chlorite clinopyroxene complex contain country rocks Desio diorites dolerites dolomite epidote fault feldspar fine-grained Formation gabbroic rocks gabbros Geol Geology gneisses grains granitic belt granitic gneisses granitic rocks granodiorite graphitic schists Himalayas hornblende igneous Indus intrusions island arc Jurassic Kalam volcanic zone Karakoram KASC Kempe and Jan Khyber Agency Kohistan magmatic magnetite Mansehra margin Mauji metamict metamorphism metasediments mica microfacies minerals MODAL COMPOSITION muscovite northern occur outcrop Pakistan pegmatite Peshawar Plain petrography petrology plagioclase pluton Punjab Univ pyrite pyrochlore pyroxenites quartz quartzite range region Reshian rhyolite river samples sandstones schistosity schists sediments sequence shales Shangla Shilman Siwalik sphene subduction suggest Swat syenites Tahirkheli Tarbela tectonic ultramafic University of Peshawar veins Warsak