Geological Bulletin, Volume 11University of Peshawar, 1979 - Geology |
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Page 155
... volcanic rocks ( andesite , dacite , rhyolite , tuffs , agglomerates ) . The series covers the central part of the area and has a general NE trend and NW inclination , and is thinner in the central than in the eastern and western parts ...
... volcanic rocks ( andesite , dacite , rhyolite , tuffs , agglomerates ) . The series covers the central part of the area and has a general NE trend and NW inclination , and is thinner in the central than in the eastern and western parts ...
Page 156
... volcanic rocks form a continuous belt . Volcanic Rocks . A characteristic feature of the volcanic rocks , like those of the Upper Swat ( Martin et al . , 1962 ; Sultan 1970 ; Jan and Main , 1971 ) is their colour variation - green , red ...
... volcanic rocks form a continuous belt . Volcanic Rocks . A characteristic feature of the volcanic rocks , like those of the Upper Swat ( Martin et al . , 1962 ; Sultan 1970 ; Jan and Main , 1971 ) is their colour variation - green , red ...
Page 175
... volcanic origin at Nawagai have also been noticed . The rocks at Nawagai are fine - grained , tuffaceous and are strongly sheared and jointed . Greenish " slaty " rocks of doubtful volcanic origin also occur near Kitkot . Most of the ...
... volcanic origin at Nawagai have also been noticed . The rocks at Nawagai are fine - grained , tuffaceous and are strongly sheared and jointed . Greenish " slaty " rocks of doubtful volcanic origin also occur near Kitkot . Most of the ...
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Common terms and phrases
abundant amphibole amphibolites andesite anorthosite assemblages associated Bajaur Baltistan bands Baraul belt biotite Bull calc-alkaline Chaudhry Chitral chlorite clinopyroxene coarse-grained composition contain Cretaceous Desio Diwangar epidote fault feldspar foliation Formation garnet granulites Geol Geology Gilgit gneisses gneissose grains granitic rocks Granodiorite granulites green Greenstone Complex grey Group Hazara Himalaya hornblende hypersthene igneous Indo-Pakistan Indus valley intrusions island arc Jan and Mian Jandul Kakar Kalam Karakoram Khan Kohistan layers limestone mafic magma Main Mantle Thrust margins metamorphic metasedimentary rocks metasediments mica Nanga Parbat norites occur opaque minerals orthopyroxene outcrops Pakistan pegmatites peridotites Peshawar Petrography petrology plagioclase plate pyroxene pyroxene granulites pyroxenites quartz diorites quartzites rarely region Reshun rutile schists sequence SiO2 slates southern sphene structure suture zone Swat Kohistan syntaxis Tahirkheli tectonic Tertiary texture thick trend tuffs twinning ultramafic rocks Univ Upper Swat Ushu Gol Utmankhel veins vicinity volcanic rocks whilst xenoliths Yasin