Geological Bulletin, Volume 14University of Peshawar, 1981 - Geology |
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Page 4
... muscovite , whereas the graphitic schists mainly comprise of graphite with minor quartz , disseminated as minute grains and laminae . Phyllites , grey to black in colour , are composed of varying amounts of micaceous material and quartz ...
... muscovite , whereas the graphitic schists mainly comprise of graphite with minor quartz , disseminated as minute grains and laminae . Phyllites , grey to black in colour , are composed of varying amounts of micaceous material and quartz ...
Page 130
M2 M Fig . 3 . dark grey Muscovite ( M ) with muscovite of second generation ( M ) developing across foliation in the biotite schist . Biotite is present as flakes . X80 . Polarized light . Graphite schists essentially consist of ...
M2 M Fig . 3 . dark grey Muscovite ( M ) with muscovite of second generation ( M ) developing across foliation in the biotite schist . Biotite is present as flakes . X80 . Polarized light . Graphite schists essentially consist of ...
Page 136
... Muscovite is present as prismatic and tabular flakes . Occasionally , it contains minor inclusions of biotite and anhedral quartz and is generally developed at the margin of microcline porphyroblasts . A second phase of muscovite ...
... Muscovite is present as prismatic and tabular flakes . Occasionally , it contains minor inclusions of biotite and anhedral quartz and is generally developed at the margin of microcline porphyroblasts . A second phase of muscovite ...
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