Geological Bulletin, Volume 5University of Peshawar - Geology |
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Page 125
... Carbonate : The Reef Carbonate unconformably overlies the phyllite . At Ghundai Sar they are well developed and form low hills of Ghundai Sar . These carbonate , which represent the Siluro - Devonian Reef , comprise mainly two dis ...
... Carbonate : The Reef Carbonate unconformably overlies the phyllite . At Ghundai Sar they are well developed and form low hills of Ghundai Sar . These carbonate , which represent the Siluro - Devonian Reef , comprise mainly two dis ...
Page 126
... carbonates with the Nowshera reef carbonates . 5. Quartzite : The reef carbonates are conformably succeeded by a ... carbonate . No corals , either rugose or tabulate , or orthoconic nautiloids are found in the limestone bands . On ...
... carbonates with the Nowshera reef carbonates . 5. Quartzite : The reef carbonates are conformably succeeded by a ... carbonate . No corals , either rugose or tabulate , or orthoconic nautiloids are found in the limestone bands . On ...
Page 133
... carbonate minerals are present in large euhedral to subhedral grains which , due to alteration , are brown in parts on edges and along cleavages in most cases . Most of these rocks in Mohmand Agency , apparently , have a high proportion ...
... carbonate minerals are present in large euhedral to subhedral grains which , due to alteration , are brown in parts on edges and along cleavages in most cases . Most of these rocks in Mohmand Agency , apparently , have a high proportion ...
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