Geological Bulletin, Volume 5University of Peshawar - Geology |
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Page 115
... Silurian ) and Ali Masjid Formation ( Upper Silurian to ? Lower Carboniferous ) . All of these are marine , and clastic sedimentary rocks account for more than two - third of the total thickness of the strata exposed in the area . The ...
... Silurian ) and Ali Masjid Formation ( Upper Silurian to ? Lower Carboniferous ) . All of these are marine , and clastic sedimentary rocks account for more than two - third of the total thickness of the strata exposed in the area . The ...
Page 122
... SILURIAN SYSTEM ( Lower Silurian - Middle Silurian ) SHAGAI LIMESTONE The name Shagai Limestone was assigned by Stauffer ( 1968 ) to the limestone overlying the Landikotal Slate in Khyber Pass . The type locality , the Shagai Fort ...
... SILURIAN SYSTEM ( Lower Silurian - Middle Silurian ) SHAGAI LIMESTONE The name Shagai Limestone was assigned by Stauffer ( 1968 ) to the limestone overlying the Landikotal Slate in Khyber Pass . The type locality , the Shagai Fort ...
Page 123
... Silurian . The occurrence of the Upper Silurian fauna in the Ali Masjid Formation substantiates the assignment of this age to the Shagai Limestone ( Khan , oral communication ) . Lithologically similar limestone formations occur in ...
... Silurian . The occurrence of the Upper Silurian fauna in the Ali Masjid Formation substantiates the assignment of this age to the Shagai Limestone ( Khan , oral communication ) . Lithologically similar limestone formations occur in ...
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