Geological Bulletin, Volume 6University of Peshawar, 1971 - Geology |
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Page 80
... grains were left unaffected but disaggregated . The sand grains thus obtained were thoroughly washed on a filter paper . Care was taken so as the finer silt and clayey fraction of the residue was not removed by washing process . The ...
... grains were left unaffected but disaggregated . The sand grains thus obtained were thoroughly washed on a filter paper . Care was taken so as the finer silt and clayey fraction of the residue was not removed by washing process . The ...
Page 80
... grains from Pir Sabak ( outcrop No. 8 ) is 0.37 , and that of nine grains from Kandar ( outcrop No. 4 ) is 0.42 ( Tab . IV ) . However , the figures do not reflect the original roundness of the grains , as the grains have been affected ...
... grains from Pir Sabak ( outcrop No. 8 ) is 0.37 , and that of nine grains from Kandar ( outcrop No. 4 ) is 0.42 ( Tab . IV ) . However , the figures do not reflect the original roundness of the grains , as the grains have been affected ...
Page 80
... grains . The quartz grains , which are corroded and etched by carbonates , are secondarily enlarged . The nucleus of the enlarged quartz grain is more or less rounded , however , no overlay of quartz shows crystal faces . From the ...
... grains . The quartz grains , which are corroded and etched by carbonates , are secondarily enlarged . The nucleus of the enlarged quartz grain is more or less rounded , however , no overlay of quartz shows crystal faces . From the ...
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