Geological Bulletin, Volume 6University of Peshawar, 1971 - Geology |
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Page 13
... material greately varying in size and proportion in different layers , in some they are stretched parallel to ( ? ) flow bands . Rarely , an interbedding of pyroclastic material and lava is also seen . It appears that throughout the ...
... material greately varying in size and proportion in different layers , in some they are stretched parallel to ( ? ) flow bands . Rarely , an interbedding of pyroclastic material and lava is also seen . It appears that throughout the ...
Page 17
... material . The rocks look migmatitic with common ptygmatic and microfolding . ( Fig . 7 ) The granites may be foliated or not , a few are porphyritic . Some of the amphibolites are weathered spongy and a few are rather heavy . These ...
... material . The rocks look migmatitic with common ptygmatic and microfolding . ( Fig . 7 ) The granites may be foliated or not , a few are porphyritic . Some of the amphibolites are weathered spongy and a few are rather heavy . These ...
Page 79
... material , Throughout the area epidote is frequently found in various forms . Minute grains of epidote are found in almost all the rocks such as shale , crystalline limestone , marble , schist , amphibolite , pyroxenite , granite and ...
... material , Throughout the area epidote is frequently found in various forms . Minute grains of epidote are found in almost all the rocks such as shale , crystalline limestone , marble , schist , amphibolite , pyroxenite , granite and ...
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