Geological Bulletin, Volume 11University of Peshawar, 1979 - Geology |
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Page 26
... structure , texture and structure of the rocks and petrological classifiation will form the base to attempt an approach to realize the desired results . The word granites here will incorporate the acid igneous bodies , consis- ting of ...
... structure , texture and structure of the rocks and petrological classifiation will form the base to attempt an approach to realize the desired results . The word granites here will incorporate the acid igneous bodies , consis- ting of ...
Page 27
... structure frequents in such type and xenoliths are quite conspicuous . These bodies are usually concordant to the regional structure and their contact with the country rocks is not sharp . Examples of this type are Buner gneisses ...
... structure frequents in such type and xenoliths are quite conspicuous . These bodies are usually concordant to the regional structure and their contact with the country rocks is not sharp . Examples of this type are Buner gneisses ...
Page 78
... structure rather than to the direct influence of external conditions such as temperature . However , it is thought here that the space lattice structure may itself be influenced by external conditions . Zoning of the plagioclases is ...
... structure rather than to the direct influence of external conditions such as temperature . However , it is thought here that the space lattice structure may itself be influenced by external conditions . Zoning of the plagioclases is ...
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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