Geological Bulletin, Volume 6University of Peshawar, 1971 - Geology |
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Page 36
... grey , the former being more prevalent . The limestone is impure , containing clay , silica and magnesia as the main ingredients . Thin bands of phyllitic slates , occasionally calcareous , also occur as intercalations . Sporadic ...
... grey , the former being more prevalent . The limestone is impure , containing clay , silica and magnesia as the main ingredients . Thin bands of phyllitic slates , occasionally calcareous , also occur as intercalations . Sporadic ...
Page 37
... grey on weathered faces and dark grey to black on fresh faces . Nodular feature is confined to the surface and the fresh faces are usually homogeneous . Clay and silica are the important impurities , light coloured argillaceous streaks ...
... grey on weathered faces and dark grey to black on fresh faces . Nodular feature is confined to the surface and the fresh faces are usually homogeneous . Clay and silica are the important impurities , light coloured argillaceous streaks ...
Page 114
... grey and greenish - grey limestones overlying brown , white , grey and yellow grey quartzites . Underlying the latter are slate and phyllitic slate which overlie variously coloured limestones with associated slates ( Tahirkheli , in ...
... grey and greenish - grey limestones overlying brown , white , grey and yellow grey quartzites . Underlying the latter are slate and phyllitic slate which overlie variously coloured limestones with associated slates ( Tahirkheli , in ...
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