Geological Bulletin, Volume 11University of Peshawar, 1979 - Geology |
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Page 42
... shearing . Intense shearing is also seen , near the contact , in the country rocks ( graphitic , calcarsous , and greenish micaoeous schists ) and in the garnet granulite patches . It is not clear to what extent they have been affected ...
... shearing . Intense shearing is also seen , near the contact , in the country rocks ( graphitic , calcarsous , and greenish micaoeous schists ) and in the garnet granulite patches . It is not clear to what extent they have been affected ...
Page 44
... shear planes and veins ( Pl . 3c ) . The alteration is selective and within a single thin section some grains of a mineral species may be fresh whilst others are strongly serpentinised , probably as a result of differential shearing ...
... shear planes and veins ( Pl . 3c ) . The alteration is selective and within a single thin section some grains of a mineral species may be fresh whilst others are strongly serpentinised , probably as a result of differential shearing ...
Page 64
... Shearing accompanying folding in a non - banded amphibolite near Kayal . The development of banded aspect in the sheared part is noticeable . Coarse - grained amphibolite associated with coarse - grained granulites in Bishigram ( Madyan ) ...
... Shearing accompanying folding in a non - banded amphibolite near Kayal . The development of banded aspect in the sheared part is noticeable . Coarse - grained amphibolite associated with coarse - grained granulites in Bishigram ( Madyan ) ...
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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