Geological Bulletin, Volume 11University of Peshawar, 1979 - Geology |
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Page 46
... suggest that they have been derived from the same magma ( Jan , 1977a ) . Similarly it cannot be suggested that the ultramafic rocks and garnet granulites of the Jijal complex were derived from the same magma which produced the pyroxene ...
... suggest that they have been derived from the same magma ( Jan , 1977a ) . Similarly it cannot be suggested that the ultramafic rocks and garnet granulites of the Jijal complex were derived from the same magma which produced the pyroxene ...
Page 61
... suggested by the occurrence of rocks of undoubted sedimentary origin ( quartzites , calc - silicate and some other rocks ) . The so - called leuco - amphibolites of northern Dir may have been derived from sediments , as suggested by ...
... suggested by the occurrence of rocks of undoubted sedimentary origin ( quartzites , calc - silicate and some other rocks ) . The so - called leuco - amphibolites of northern Dir may have been derived from sediments , as suggested by ...
Page 76
... suggest that the plagioclase ranges from An46 in the intermediate members to Ans4 in the basic members . In some , compositions as calcic as An6o have been found from extinction angles . ( The An content determined by extinction angle ...
... suggest that the plagioclase ranges from An46 in the intermediate members to Ans4 in the basic members . In some , compositions as calcic as An6o have been found from extinction angles . ( The An content determined by extinction angle ...
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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