Geological Bulletin, Volume 11University of Peshawar, 1979 - Geology |
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Page 42
... contain coarse crystals of pyroxene that are apparently arranged in crude , thin bands at a high angle to the NW trend of the main ultramafic mass . Some of the dunites and peridotites contain bands ( up to 2 cm x 5 m ) and streaks of ...
... contain coarse crystals of pyroxene that are apparently arranged in crude , thin bands at a high angle to the NW trend of the main ultramafic mass . Some of the dunites and peridotites contain bands ( up to 2 cm x 5 m ) and streaks of ...
Page 70
... contain quartz , mica , and sulphides occupying the space between large crystals , a few of such pegmatites having finer - grained margins . Others are mica - free but may , in rare cases , contain garnet ( in some abundant ) and / or ...
... contain quartz , mica , and sulphides occupying the space between large crystals , a few of such pegmatites having finer - grained margins . Others are mica - free but may , in rare cases , contain garnet ( in some abundant ) and / or ...
Page 135
... contain proportionally more biotite than hornblende . Section 4 also exhibits maximum amount of quartz and K ... contain roughly equal amount of ortho and clinopyroxene . Plagioclase in these rocks is highly clouded due to the presence ...
... contain proportionally more biotite than hornblende . Section 4 also exhibits maximum amount of quartz and K ... contain roughly equal amount of ortho and clinopyroxene . Plagioclase in these rocks is highly clouded due to the presence ...
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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