Geological Bulletin, Volume 6University of Peshawar, 1971 - Geology |
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Page 59
... pyroxenites , and hornblendites . It is possible that the time interval , between the formation of these two groups ... pyroxene - free . In this type hornblende is generally altered as a result of which sphene and ilmenite crystals are ...
... pyroxenites , and hornblendites . It is possible that the time interval , between the formation of these two groups ... pyroxene - free . In this type hornblende is generally altered as a result of which sphene and ilmenite crystals are ...
Page 63
... pyroxenites , hornblendites and norites . The contacts of the peridotites , pyroxenites , and hornblendites are almost sharply defined against diorites complexes in which 63.
... pyroxenites , hornblendites and norites . The contacts of the peridotites , pyroxenites , and hornblendites are almost sharply defined against diorites complexes in which 63.
Page 64
... pyroxenites occur in the form of a folded sheet at the bottom of Tora Tiga ( Black hill ) about two miles southeast of Barwa . At the core of this fold there is a lense - shaped diorite and hornblendite body , surrounded by about 50 ...
... pyroxenites occur in the form of a folded sheet at the bottom of Tora Tiga ( Black hill ) about two miles southeast of Barwa . At the core of this fold there is a lense - shaped diorite and hornblendite body , surrounded by about 50 ...
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