Geological Bulletin, Volume 6University of Peshawar, 1971 - Geology |
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Page 19
... plagioclase . quartz , hornblende , biotite , ore , a patite , and in some , sphene and / or zircon . In a few , hornblenbe is subordinate . In rare cases , bronzite and clinopyrožene also occur . The plagioclase of the rocks is usually ...
... plagioclase . quartz , hornblende , biotite , ore , a patite , and in some , sphene and / or zircon . In a few , hornblenbe is subordinate . In rare cases , bronzite and clinopyrožene also occur . The plagioclase of the rocks is usually ...
Page 21
... plagioclase , quartz and perthite , with minor quantity of biotite , ore and , in some , traces of apatite , ziron , and muscovite . The plagioclase is weakly zoned oligoclase or albite , locally ... plagioclase . The plagioclase may 21.
... plagioclase , quartz and perthite , with minor quantity of biotite , ore and , in some , traces of apatite , ziron , and muscovite . The plagioclase is weakly zoned oligoclase or albite , locally ... plagioclase . The plagioclase may 21.
Page 60
... Plagioclase is generally andesine . It is more sodic in light coloured varieties and becomes calcic ( An 50 ) in dark coloured varieties . The plagioclase is usually twinned and sometimes zoned . The twin lamellae are ocassionally bent ...
... Plagioclase is generally andesine . It is more sodic in light coloured varieties and becomes calcic ( An 50 ) in dark coloured varieties . The plagioclase is usually twinned and sometimes zoned . The twin lamellae are ocassionally bent ...
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