Geological Bulletin, Volume 6University of Peshawar, 1971 - Geology |
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Page 37
... light grey , brown and yellowish - brown . It is thin - bedded , fine to medium - textured and is hard and compact ... light to dark grey on weathered faces and dark grey to black on fresh faces . Nodular feature is confined to the ...
... light grey , brown and yellowish - brown . It is thin - bedded , fine to medium - textured and is hard and compact ... light to dark grey on weathered faces and dark grey to black on fresh faces . Nodular feature is confined to the ...
Page 59
... light and dark coloured ones . The light coloured diorites predominate in the eastern part of the area , and the dark - coloured ones in western part . The light coloured diorites are usually pyroxene - free . In this type hornblende is ...
... light and dark coloured ones . The light coloured diorites predominate in the eastern part of the area , and the dark - coloured ones in western part . The light coloured diorites are usually pyroxene - free . In this type hornblende is ...
Page 77
... light to dark green colour . Under microscope , both the varieties show epidote , chlorite , hornblende , altered feldspar and some carbonate . Amphibolitized diorite is also light to dark green and grades from fine- to coarsegrained ...
... light to dark green colour . Under microscope , both the varieties show epidote , chlorite , hornblende , altered feldspar and some carbonate . Amphibolitized diorite is also light to dark green and grades from fine- to coarsegrained ...
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