Geological Bulletin, Volume 14University of Peshawar, 1981 - Geology |
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Page 49
... CHEMISTRY Major element chemical analyses of dacite and rhyolite alongwith andesite are presented in Table 1. It includes 14 new analyses of salic eruptives ( SiO : > 60 % ) as well as analyses originally published by Majid and Paracha ...
... CHEMISTRY Major element chemical analyses of dacite and rhyolite alongwith andesite are presented in Table 1. It includes 14 new analyses of salic eruptives ( SiO : > 60 % ) as well as analyses originally published by Majid and Paracha ...
Page 59
... chemical variations of of different magnitude in each region are often recognized even within a given compositional type . McBirney ( 1969 ) , Forbes et al . ( 1969 ) and Yoder ( 1969 ) identified differences in the petrochemical ...
... chemical variations of of different magnitude in each region are often recognized even within a given compositional type . McBirney ( 1969 ) , Forbes et al . ( 1969 ) and Yoder ( 1969 ) identified differences in the petrochemical ...
Page 113
... chemical data are given in Table III . DISCUSSION AND CONCLUSIONS X - ray powder diffraction data indicated the crystal structure of pyrochlore for two metamict , a partially metamict and a non - metamict mineral . Chemical data for ...
... chemical data are given in Table III . DISCUSSION AND CONCLUSIONS X - ray powder diffraction data indicated the crystal structure of pyrochlore for two metamict , a partially metamict and a non - metamict mineral . Chemical data for ...
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 |
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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