Geological Bulletin, Volume 6University of Peshawar, 1971 - Geology |
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Page 17
... 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 granitic material . The rocks look migmatitic with ...
... 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 granitic material . The rocks look migmatitic with ...
Page 62
... granites which contain quartz , feldspar and biotite . The pegmatite veins also have a similar composition . The ... Granites . In the field granites are either coarse - grained granitoid or gneissose in structure . The crystals in ...
... granites which contain quartz , feldspar and biotite . The pegmatite veins also have a similar composition . The ... Granites . In the field granites are either coarse - grained granitoid or gneissose in structure . The crystals in ...
Page 63
... granites . It occurs as dark opaque grains associated with hornblende and sphene or , rarely , with biotite and leucoxene . The largest single body of granite intrusion in amphibolites is near Jabagai , about three miles east of Mayar ...
... granites . It occurs as dark opaque grains associated with hornblende and sphene or , rarely , with biotite and leucoxene . The largest single body of granite intrusion in amphibolites is near Jabagai , about three miles east of Mayar ...
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