Geological Bulletin, Volume 6University of Peshawar, 1971 - Geology |
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Page 14
... ilmenite . Rare microveins of calcite or quartz are seen . Somo are tuffaceous with rather high quantity of sericite . In the ignimbritic types , the lithic fragments and crystals always lie in a reddish groundmass that is mainly made ...
... ilmenite . Rare microveins of calcite or quartz are seen . Somo are tuffaceous with rather high quantity of sericite . In the ignimbritic types , the lithic fragments and crystals always lie in a reddish groundmass that is mainly made ...
Page 61
... ilmenite in these rocks . The commonest accessory minerals are sphene , magnetite , ilmenite , leucoxene , apatite and garnet . Sphene is generally associated with hornblende and magnetite and leucoxene with ilmenite . Both ilmenite and ...
... ilmenite in these rocks . The commonest accessory minerals are sphene , magnetite , ilmenite , leucoxene , apatite and garnet . Sphene is generally associated with hornblende and magnetite and leucoxene with ilmenite . Both ilmenite and ...
Page 66
... ilmenite both have developed as rod - shaped crystals . Patches of kaolinized plagioclase are present in very small amounts . Chlorite and talc are also present along fractures in the crystals . The dioritic magma , from which the ...
... ilmenite both have developed as rod - shaped crystals . Patches of kaolinized plagioclase are present in very small amounts . Chlorite and talc are also present along fractures in the crystals . The dioritic magma , from which 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