Geological Bulletin, Volume 6University of Peshawar, 1971 - Geology |
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Page 17
... quartz , mica schists and gneisses , various types of granites , and dark dioritic rocks some of which look smokey , whereas those to the east are mainly diorites . Amphibolites are the most common and usually have veins and lenses of ...
... quartz , mica schists and gneisses , various types of granites , and dark dioritic rocks some of which look smokey , whereas those to the east are mainly diorites . Amphibolites are the most common and usually have veins and lenses of ...
Page 19
... Quartz veins are everywhere but pegmatites have not been noted . The rocks are mainly quartz diorites with comparatively lesser granites and local granodiorites . Throughout the area , massive and hard granites with quartz phenocrysts ...
... Quartz veins are everywhere but pegmatites have not been noted . The rocks are mainly quartz diorites with comparatively lesser granites and local granodiorites . Throughout the area , massive and hard granites with quartz phenocrysts ...
Page 62
... quartz and pegmatite veins , each about two feet thick , at the interval of almost every ten feet . North of Barwa the rocks are highly gneissose and grade into granites which contain quartz , feldspar and biotite . The pegmatite veins ...
... quartz and pegmatite veins , each about two feet thick , at the interval of almost every ten feet . North of Barwa the rocks are highly gneissose and grade into granites which contain quartz , feldspar and biotite . The pegmatite veins ...
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