Geological Bulletin, Volume 5University of Peshawar - Geology |
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Page 12
... dark grey on fresh faces . It is fine textured and homogeneous . It contains light coloured argillaceous and calcareous laminations usually developed parellel to the bedding plane . ( a ) The lower bed is thick bedded to massive , dark ...
... dark grey on fresh faces . It is fine textured and homogeneous . It contains light coloured argillaceous and calcareous laminations usually developed parellel to the bedding plane . ( a ) The lower bed is thick bedded to massive , dark ...
Page 18
... dark grey , weathering to yellowish brown , thin bedded , at places nodular , sandy limestone which contains inter - bedded soft , splintery , greenish grey shale and slaty shale . Silty bands in the shale are common . The limestone ...
... dark grey , weathering to yellowish brown , thin bedded , at places nodular , sandy limestone which contains inter - bedded soft , splintery , greenish grey shale and slaty shale . Silty bands in the shale are common . The limestone ...
Page 46
... darker , especially those near Kamila . The dark colour is mainly due to biotite but some also have other dark minerals . Sample no . 38 , although containing about 10 % muscovite and 2 to 3 % garnet , looks pure white in hand specimen ...
... darker , especially those near Kamila . The dark colour is mainly due to biotite but some also have other dark minerals . Sample no . 38 , although containing about 10 % muscovite and 2 to 3 % garnet , looks pure white in hand specimen ...
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