Geological Bulletin, Volume 6University of Peshawar, 1971 - Geology |
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Page 79
... grades into brownish - white variety when traced towards the west in the same area . It exbibits yellowish - brown to light brown and white colours with some greenish streaks . This variety cantains some thin argillaceous partings along ...
... grades into brownish - white variety when traced towards the west in the same area . It exbibits yellowish - brown to light brown and white colours with some greenish streaks . This variety cantains some thin argillaceous partings along ...
Page 80
... grades and skewness towards finer grades . Kurtosis values of size distribution range between 0.27 and 0.24 . Microscopic examination of several slides reveals that quartz grains , embedded in a carbonate matrix , are elongated with ...
... grades and skewness towards finer grades . Kurtosis values of size distribution range between 0.27 and 0.24 . Microscopic examination of several slides reveals that quartz grains , embedded in a carbonate matrix , are elongated with ...
Page 80
... grades , it will be found that these samples are also unimodal and give no secondary made in their size distribution ... grades ( coarser or finer refers to the coarser or finer than the modal class ) . All the other samples from the ...
... grades , it will be found that these samples are also unimodal and give no secondary made in their size distribution ... grades ( coarser or finer refers to the coarser or finer than the modal class ) . All the other samples 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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Common terms and phrases
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