Geological Bulletin, Volume 14University of Peshawar, 1981 - Geology |
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Page 5
... plagioclase . Amphibole in most of the gabbroic rocks and plagioclase in some is poikilitic or sub - poikilitic . In a few cases the clinopyroxene in the amphibole pyroxenites exhibits an ophitic to subophitic texture . Myrmekitic ...
... plagioclase . Amphibole in most of the gabbroic rocks and plagioclase in some is poikilitic or sub - poikilitic . In a few cases the clinopyroxene in the amphibole pyroxenites exhibits an ophitic to subophitic texture . Myrmekitic ...
Page 6
... plagioclase . Local replacement of augite by uralite and talc is observed in a few sections . The amphibole in the gabbroic rocks occurs normally in two and rarely in four varieties . In most of the pyroxenites and mela - gabbros , the ...
... plagioclase . Local replacement of augite by uralite and talc is observed in a few sections . The amphibole in the gabbroic rocks occurs normally in two and rarely in four varieties . In most of the pyroxenites and mela - gabbros , the ...
Page 9
... Plagioclase , clinopyroxene , amphibole and magnetite are the principal common minerals . In addition secondary biotite , epidote , sphene , chlorite and carbonate are present in minor proportions in various samples and quartz in one ...
... Plagioclase , clinopyroxene , amphibole and magnetite are the principal common minerals . In addition secondary biotite , epidote , sphene , chlorite and carbonate are present in minor proportions in various samples and quartz in one ...
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