Geological Bulletin, Volume 5University of Peshawar - Geology |
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Page 60
6) suggest oxygenated waters of very low salinity allowing flourishing growth of
organisms. Detrital sand (Fig. 6) and other ... also favours this inference. The
length to breadth ratio of flakes of slates suggests only a transporation of a few ...
6) suggest oxygenated waters of very low salinity allowing flourishing growth of
organisms. Detrital sand (Fig. 6) and other ... also favours this inference. The
length to breadth ratio of flakes of slates suggests only a transporation of a few ...
Page 58
The section suggests semi - arid to arid condittions of deposition in shallow
waters , of high energy conditions . Thin Section No . 2 . Micritic limestone
showing low energy conditions at the time of deposition , without current action .
Sutured ...
The section suggests semi - arid to arid condittions of deposition in shallow
waters , of high energy conditions . Thin Section No . 2 . Micritic limestone
showing low energy conditions at the time of deposition , without current action .
Sutured ...
Page 59
Biointramicrite : This association suggests either of the two conditions as
expressed under the section number 5 . In the present case , second choice is
favoured by the presence of bird ' s eye structure which suggests under - water
cracking .
Biointramicrite : This association suggests either of the two conditions as
expressed under the section number 5 . In the present case , second choice is
favoured by the presence of bird ' s eye structure which suggests under - water
cracking .
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abundant Agency Ahmad altered amphibolites appears associated Attock Slates Attock-Cherat bands base basis brown Bull Cherat chlorite clay colour common composed composition considered contains correlated Cretaceous Davies deposits detailed developed diorites District east epidote exposed extends feet feldspar Formation fossils fractures garnet Geol geology Gilgit gneisses grains granitic green grey Hazara Hornblendic Group Ibid India Indus intrusions iron Jour Khan Khyber latter light limestone Long Lower mainly major Manki Marks Martin Masjid material metamorphic Middle miles minerals minor norites northern occur outcrops Panjab Peshawar Phyllite places plagioclase present probably quartz quartzite Range reef region reported River rocks samples sandstone Schistose schists sericite Shah shale shows Silurian southern Stauffer stratigraphic structure suggests Surv Swat Tahirkheli thick thin Thin Section units Univ Upper Valley various veins village weathered West Pakistan western