Geological Bulletin, Volume 6University of Peshawar, 1971 - Geology |
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Page 36
... thin bedded , medium to finely crystalline . It is yellowish - brown , and light to dark grey , the former being more prevalent . The limestone is impure , containing clay , silica and magnesia as the main ingredients . Thin bands of ...
... thin bedded , medium to finely crystalline . It is yellowish - brown , and light to dark grey , the former being more prevalent . The limestone is impure , containing clay , silica and magnesia as the main ingredients . Thin bands of ...
Page 37
... thin - bedded , fine to medium - textured and is hard and compact . The grains are angular to sub - rounded and the cementing the cementing material is aronaceous . Subordinate bands of arenaceous phyllitic slate occur as thin ...
... thin - bedded , fine to medium - textured and is hard and compact . The grains are angular to sub - rounded and the cementing the cementing material is aronaceous . Subordinate bands of arenaceous phyllitic slate occur as thin ...
Page 115
... thin fractures and openings in the igneous rocks . Thus , it commonly forms thin lamellar coatings and films of a few millimetres thickness . In some parts , the fractures are fairly abundant and the graphite concentration is locally ...
... thin fractures and openings in the igneous rocks . Thus , it commonly forms thin lamellar coatings and films of a few millimetres thickness . In some parts , the fractures are fairly abundant and the graphite concentration is locally ...
Contents
Preliminary geology and petrography of Swat Kohistan | 1 |
The geology of the Gandghar Range Distt Hazara N W F | 33 |
Lithological classification and environment of deposition of | 43 |
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abundant altered amphibolites appears associated bands base beds biotite body brown Bull chlorite colour common complex concentration consist contain correlated cover crystalline crystals dark deposits developed diorites distance dykes east eastern epidote exposed extend feet feldspar folded foliation Formation fractures Gandghar Range garnet Geol geology gneisses grades grains granites green grey Group Hazara hornblende inches Indus intrusions iron Kalam Kohistan latter layers light limestone locally located Lower marble material Member metals Middle miles minerals minor natural norites occur outcrop Pakistan pegmatite Peshawar phyllites places plagioclase present probably quartz quartzites rare region result River road rocks samples schists seen sericite shale shear slates solubility solutions southern stream strike structure suggest sulphide Swat temperature thick thin transport types Univ Upper usually valley varieties various veins village volcanic waters western zone