Geological Bulletin, Volume 5University of Peshawar - Geology |
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Page 93
... reef building organisms suggests that the entire formation represents the reef core or the axial portion of the reef . Pockets of reef debris or reef breccia , and silty and clayey material also occur within the reef core . This is ...
... reef building organisms suggests that the entire formation represents the reef core or the axial portion of the reef . Pockets of reef debris or reef breccia , and silty and clayey material also occur within the reef core . This is ...
Page 125
... Reef 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 ...
... Reef 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
The reef carbonates have yielded a number of fossils exactly similar to those of the Nowshera Reef Complex . On the basis of similarity of fossils and stratigraphic succession , Khan ( 1969 , 1970 ) correlated the Ghundai Sar reef ...
The reef carbonates have yielded a number of fossils exactly similar to those of the Nowshera Reef Complex . On the basis of similarity of fossils and stratigraphic succession , Khan ( 1969 , 1970 ) correlated the Ghundai Sar reef ...
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