Geological Bulletin, Volume 14University of Peshawar, 1981 - Geology |
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Page 130
Fig. 3. Muscovite (M) with muscovite of second generation (MO developing
across foliation in the biotite schist. Biotite is present as dark grey flakes. X80.
Polarized light. Graphite schists essentially consist of carbonaceous meterial,
quartz and ...
Fig. 3. Muscovite (M) with muscovite of second generation (MO developing
across foliation in the biotite schist. Biotite is present as dark grey flakes. X80.
Polarized light. Graphite schists essentially consist of carbonaceous meterial,
quartz and ...
Page 131
Polarized light. the presence of albite porphyroblasts commonly altered to sericite
. Inclusions of carbonaceous material and opaque minerals are commonly
present within albite porphyroblasts. Zoisite is present as colourless to pale
coloured, ...
Polarized light. the presence of albite porphyroblasts commonly altered to sericite
. Inclusions of carbonaceous material and opaque minerals are commonly
present within albite porphyroblasts. Zoisite is present as colourless to pale
coloured, ...
Page 136
Albite is present as subhedral to euhedral porphyroblasts generally elongated
along the plane of schistosity. They are altered to sericite and zoisite, showing
portions of unaltered albite characterized by albite twinning. Albite is also present
as ...
Albite is present as subhedral to euhedral porphyroblasts generally elongated
along the plane of schistosity. They are altered to sericite and zoisite, showing
portions of unaltered albite characterized by albite twinning. Albite is also present
as ...
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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 |
12 other sections not shown
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Common terms and phrases
albite albite-carbonate albitites 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 garnet 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 magma magnetite Mansehra margin Mauji metamorphism metasediments mica microfacies minerals MODAL COMPOSITION muscovite northern occur outcrop Pakistan pegmatite Peshawar Plain petrography petrology phases plagioclase pluton present Punjab Univ pyrite pyrochlore pyroxene 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 tourmaline ultramafic University of Peshawar uranium veins Wargal Limestone Warsak