Geological Bulletin, Volume 6University of Peshawar, 1971 - Geology |
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Page 19
... usually zoned andesine which may be locally cloudy , especially along certain zones and cores . Sericite , clay and , in some , epidote are common alteration products . In a few , the inner parts of the plagioclase may be crowded with ...
... usually zoned andesine which may be locally cloudy , especially along certain zones and cores . Sericite , clay and , in some , epidote are common alteration products . In a few , the inner parts of the plagioclase may be crowded with ...
Page 62
... usually anhedral , while those in gneissose varieties may be anhedral or subhedral in form . The granular varieties are usually found in the middle of the main granitic bodies , while at the margins near contact zones gneisses are well ...
... usually anhedral , while those in gneissose varieties may be anhedral or subhedral in form . The granular varieties are usually found in the middle of the main granitic bodies , while at the margins near contact zones gneisses are well ...
Page 93
... usually finds hot volcanic springs and fumarolic gas . These gases are usually very rich in water vapour ( above 90 % ) , CO2 , H2S , SO2 , HCI and many other constituents . Amongst the sulphur gases , SO2 is usually predominant over ...
... usually finds hot volcanic springs and fumarolic gas . These gases are usually very rich in water vapour ( above 90 % ) , CO2 , H2S , SO2 , HCI and many other constituents . Amongst the sulphur gases , SO2 is usually predominant over ...
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