Geological Bulletin, Volume 5University of Peshawar - Geology |
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Page 31
... minor outcrops of the schists within the Horn- blendic Group north of Richa . It may be mentioned that a sharp contact could not be observed between the two ; the contact rocks appear to be of mixed character . They are composed of ...
... minor outcrops of the schists within the Horn- blendic Group north of Richa . It may be mentioned that a sharp contact could not be observed between the two ; the contact rocks appear to be of mixed character . They are composed of ...
Page 41
... minor clinopyroxene may also occur as such . Besides , reddish iron ore and clinopyroxene are also present as exsolved lamellae . Many of the hypersthene grains have fractures along which minor alteration may result in iron oxide ...
... minor clinopyroxene may also occur as such . Besides , reddish iron ore and clinopyroxene are also present as exsolved lamellae . Many of the hypersthene grains have fractures along which minor alteration may result in iron oxide ...
Page 45
... minor proportions of hornblende , orthopyroxene ( pale pleochroic bronzite or hypersthene ) , ores and traces of carbo- nate . Ores include a green type , opaque oxide , and minor sulphide . The green spinel is quite often included in ...
... minor proportions of hornblende , orthopyroxene ( pale pleochroic bronzite or hypersthene ) , ores and traces of carbo- nate . Ores include a green type , opaque oxide , and minor sulphide . The green spinel is quite often included in ...
Contents
Vol | 1 |
Vol | 5 |
Petrography of the upper part of Kohistan and southwestern Gilgit | 27 |
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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