Geological Bulletin, Volume 11University of Peshawar, 1979 - Geology |
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Page 49
... dark patch near the tip of the hammer may be a xenolith . A typical garnet granulite outcrop 2 km S of Patan . Dark xenoliths and mafic and felsic veins are noticeable . One of the veins is studded with garnet prophyroblasts , is folded ...
... dark patch near the tip of the hammer may be a xenolith . A typical garnet granulite outcrop 2 km S of Patan . Dark xenoliths and mafic and felsic veins are noticeable . One of the veins is studded with garnet prophyroblasts , is folded ...
Page 66
... dark gabbroic , turning light grey on weathering . A few of the rocks are very dark , locally ' greasy ' , and resemble the rocks of the charnockitic series . The dark colour in the latter is attributed to thin pale greenish or brownish ...
... dark gabbroic , turning light grey on weathering . A few of the rocks are very dark , locally ' greasy ' , and resemble the rocks of the charnockitic series . The dark colour in the latter is attributed to thin pale greenish or brownish ...
Page 135
... dark grey - coloured medium - grained rocks with comparatively high concentrations of ferromagnesian minerals . Clinopyroxene , orthopyroxene and biotite are important dark - coloured phases present . The proportion of clinopyroxene to ...
... dark grey - coloured medium - grained rocks with comparatively high concentrations of ferromagnesian minerals . Clinopyroxene , orthopyroxene and biotite are important dark - coloured phases present . The proportion of clinopyroxene to ...
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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