Geological Bulletin, Volume 5University of Peshawar - Geology |
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Page 10
... veins are common ; some of these veins are associated with heamatite mineralization which occur as pockets and lenses and can best be seen in a few sections in Jabba Khattak nala . The other igneous intrusions are dolerite sills . The ...
... veins are common ; some of these veins are associated with heamatite mineralization which occur as pockets and lenses and can best be seen in a few sections in Jabba Khattak nala . The other igneous intrusions are dolerite sills . The ...
Page 45
... veins are flanked by fine granules of pinkish orthopyroxene . The minerals along the veins are of secondary origin and , if so , at least some of the hornblende and orthopyroxene occurring away from these veins may also be secon- dary ...
... veins are flanked by fine granules of pinkish orthopyroxene . The minerals along the veins are of secondary origin and , if so , at least some of the hornblende and orthopyroxene occurring away from these veins may also be secon- dary ...
Page 47
... veins of pegmatites in which quartz and felsdpar are spread all over but ' beaufiful ' white mica ( up to one inch ) is concentrated in the centre of the vein . The veins also have a few garnet grains . Associated with the granites on ...
... veins of pegmatites in which quartz and felsdpar are spread all over but ' beaufiful ' white mica ( up to one inch ) is concentrated in the centre of the vein . The veins also have a few garnet grains . Associated with the granites on ...
Contents
Vol | 1 |
Vol | 5 |
Petrography of the upper part of Kohistan and southwestern Gilgit | 27 |
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Common terms and phrases
abundant Ahmad Ali Masjid altered amphibole amphibolites Attock Attock Slates Attock-Cherat Range bands biotite Bull calcareous calcite carbonate Carboniferous Cherat chlorite colour correlated Cretaceous cross-bedding Darwazai deposits Devonian diorites dolomite epidote exposed feet thick feldspar fossils fractures garnet Geol geology Gilgit Agency gneisses grains granitic green grey Hazara District hornblende Ibid igneous India Indus River intrusions Jamrud Jan and Tahirkheli Jour Khan Khattak Khewra Formation Khwar Khyber Agency Kohat Kohistan Landikotal Slate limestone lithological Manki Slate Masjid Formation metamorphism metasedimentary miles minerals minor Mohmand Agency muscovite nala norites Nowshera occur outcrops Palaeozoic Paleocene Panjab Univ pegmatites Peshawar phyllites plagioclase pyroxene quartz quartzite reef region Rehman Ripple Marks rocks Salt Range sandstone Schistose Group schists sedimentary Shagai Shagai Limestone Shah Dheri shale Silurian Siluro-Devonian slaty shale Stauffer stratigraphic structures Surv Tertiary thin bedded Thin Section ultramafic veins weathered West Pakistan yellowish