Geological Bulletin, Volume 5University of Peshawar - Geology |
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Page 55
... Current Ripple Marks ( c ) Transverse Ripple Marks ( d ) Linguoid or Cuspate Ripple Marks It is possible that almost every kind of ripple marks , identified uptil now , may be present in this formation as the swiftly changing currents ...
... Current Ripple Marks ( c ) Transverse Ripple Marks ( d ) Linguoid or Cuspate Ripple Marks It is possible that almost every kind of ripple marks , identified uptil now , may be present in this formation as the swiftly changing currents ...
Page 55
... Current Ripple Marks ( c ) Transverse Ripple Marks ( d ) Linguoid or Cuspate Ripple Marks It is possible that almost every kind of ripple marks , identified uptil now , may be present in this formation as the swiftly changing currents ...
... Current Ripple Marks ( c ) Transverse Ripple Marks ( d ) Linguoid or Cuspate Ripple Marks It is possible that almost every kind of ripple marks , identified uptil now , may be present in this formation as the swiftly changing currents ...
Page 55
... currents of too low intensity to drive or overturn the grain so that precipitation of CaCO3 continued only on one ... current velocity was great enough to erode the slates . The presence of mechanical bridges also favours this inference ...
... currents of too low intensity to drive or overturn the grain so that precipitation of CaCO3 continued only on one ... current velocity was great enough to erode the slates . The presence of mechanical bridges also favours this inference ...
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