Geological Bulletin, Volume 11University of Peshawar, 1979 - Geology |
From inside the book
Results 1-3 of 39
Page 72
... veins . Microscopic examination of some of these veins suggests that they represent assemblages in the greenschist or lower part of the amphibolite facies . Greenish - coloured sheared zones up to 15 m thick , and slickensides coated ...
... veins . Microscopic examination of some of these veins suggests that they represent assemblages in the greenschist or lower part of the amphibolite facies . Greenish - coloured sheared zones up to 15 m thick , and slickensides coated ...
Page 109
... veins of quartz , some only a fraction of a milimetre in thickness , billing the fractures and joints , are present . Epidote - rich ? metasomatic veins , particularly those in diorites and metasedimentary rocks , also occur ...
... veins of quartz , some only a fraction of a milimetre in thickness , billing the fractures and joints , are present . Epidote - rich ? metasomatic veins , particularly those in diorites and metasedimentary rocks , also occur ...
Page 165
... veins and pegmatite bodies , probably both of igneous and metamorphic origin , sparsely exist throughout the area . A few hydrothermal quartz veins at Gabarai and Inayat Kili bear copper mineralization . Some manganese mineralization is ...
... veins and pegmatite bodies , probably both of igneous and metamorphic origin , sparsely exist throughout the area . A few hydrothermal quartz veins at Gabarai and Inayat Kili bear copper mineralization . Some manganese mineralization is ...
Other editions - View all
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