Geological Bulletin, Volume 6University of Peshawar, 1971 - Geology |
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Page 6
... bands are generally an inch or some may be up to a foot or more thick . Greenish bands are the most abundant although the brownish ones are more conspicuous . Some bands are more micaceous and distinctly schistose . Many directional ...
... bands are generally an inch or some may be up to a foot or more thick . Greenish bands are the most abundant although the brownish ones are more conspicuous . Some bands are more micaceous and distinctly schistose . Many directional ...
Page 18
abundant sphene occurs along certain bands and none along others . The lighter bands may have coarser plagioclase than the darker bands , and may have abundant quartz . The metagabbros resemble the diorites in mineral composition but ...
abundant sphene occurs along certain bands and none along others . The lighter bands may have coarser plagioclase than the darker bands , and may have abundant quartz . The metagabbros resemble the diorites in mineral composition but ...
Page 37
... bands of arenaceous phyllitic slate occur as thin interoalations . Dolerite intrusions are common which occur as sills and dykes . Baghdarra Limestone . This limestone is exposed on the southern tip of the Gandghar Range and crosses the ...
... bands of arenaceous phyllitic slate occur as thin interoalations . Dolerite intrusions are common which occur as sills and dykes . Baghdarra Limestone . This limestone is exposed on the southern tip of the Gandghar Range and crosses 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