Geological Bulletin, Volume 14University of Peshawar, 1981 - Geology |
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Page 4
Amongst the major outcrops, one semi-concentric, loop-like gabbroic body
occurs in the central part of the complex near the crushing plant (Fig 1). The
northeastern 200 m. thick portion of this body gradually tapers into south-west
directed ...
Amongst the major outcrops, one semi-concentric, loop-like gabbroic body
occurs in the central part of the complex near the crushing plant (Fig 1). The
northeastern 200 m. thick portion of this body gradually tapers into south-west
directed ...
Page 10
The principal outcrop of (a) is a plug-like intrusion (about 10 m. in diameter)
cutting the leuco-gabbroic portion of the semi-concentric outcrop. The intrusion
itself is cut by dykes of similar composition, but darker in colour and finer- grained
in ...
The principal outcrop of (a) is a plug-like intrusion (about 10 m. in diameter)
cutting the leuco-gabbroic portion of the semi-concentric outcrop. The intrusion
itself is cut by dykes of similar composition, but darker in colour and finer- grained
in ...
Page 22
A number of calcareous outcrops in the vicinity of the intrusions also contain up to
4 cm long whitish grey prismatic "crystals" with square pinacoidal ends, or
elongated lensoid (boat-shaped) bodies. These are aggregates of albite (with
traces ...
A number of calcareous outcrops in the vicinity of the intrusions also contain up to
4 cm long whitish grey prismatic "crystals" with square pinacoidal ends, or
elongated lensoid (boat-shaped) bodies. These are aggregates of albite (with
traces ...
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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