Geological Bulletin, Volume 6University of Peshawar, 1971 - Geology |
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Page 100
... solutions . Also in metallic sulphides , polysulphides and oxy , and sulphide - complexes , the pH of the solutions determines their approach to conditions of saturation , Hydrothermal solutions are usually considered to be reducing in ...
... solutions . Also in metallic sulphides , polysulphides and oxy , and sulphide - complexes , the pH of the solutions determines their approach to conditions of saturation , Hydrothermal solutions are usually considered to be reducing in ...
Page 107
... solutions with meteoric waters . DEPOSITION OF METAL SULPHIDES FROM HYDROTHERMAL SOLUTIONS Deposition of metal sulphides from the ore bearing solutions can occur by a fall in temperature ; the reaction of the solutions with wall rock ...
... solutions with meteoric waters . DEPOSITION OF METAL SULPHIDES FROM HYDROTHERMAL SOLUTIONS Deposition of metal sulphides from the ore bearing solutions can occur by a fall in temperature ; the reaction of the solutions with wall rock ...
Page 108
... hydrothermal solutions and the relatively cooler meteoric ground waters . In this case the ascending hot solutions through a geothermobaric gradient , will loose most of their heat content by mixing and thus result in deposition ...
... hydrothermal solutions and the relatively cooler meteoric ground waters . In this case the ascending hot solutions through a geothermobaric gradient , will loose most of their heat content by mixing and thus result in deposition ...
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