Geological Bulletin, Volumes 4-6

abundant Agency altered amphibolites appears associated Attock Shale bands base beds biotite body brown Bull carbonate cent chlorite colour common complex composed composition considered contain correlated crystals dark deposits developed diorites District east epidote exposed extend fault feet feldspar folded Formation fossils fractures garnet Geol geology gneisses grains granite green grey Group Hazara hornblende Indus intrusions iron joints Khan Khyber latter less light limestone locally Lower mainly marble Martin material metamorphism Middle miles minerals minor norites northern occur origin outcrops pegmatites Peshawar phyllites places plagioclase present probably quartz quartzite Range rarely reef region River road rocks samples Schistose schists seen sericite Series shale Slate solutions strike structure suggested Surv Swat texture thick thin types units Univ Upper usually valley various veins village volcanic waters weathered West Pakistan western zone