Geological Bulletin, Volume 5University of Peshawar - Geology |
From inside the book
Results 1-3 of 14
Page 55
... algal material is not dealt with except for identifying it as " Green Stromatolytic Algae " . Ostracodes were met within a thin section which , however , could not be identified . INTRODUCTION A light grey limestone sequence with ...
... algal material is not dealt with except for identifying it as " Green Stromatolytic Algae " . Ostracodes were met within a thin section which , however , could not be identified . INTRODUCTION A light grey limestone sequence with ...
Page 55
... Algal Limestone , indicates high energy conditions . The aligned needles ( Fig . 7 ) of material derived from the erosion of the slates of the Hazara Formation indicate that the current velocity was great enough to erode the slates ...
... Algal Limestone , indicates high energy conditions . The aligned needles ( Fig . 7 ) of material derived from the erosion of the slates of the Hazara Formation indicate that the current velocity was great enough to erode the slates ...
Page 58
... algal pisolites showing chaotic arrangments of algal encrustations indicate periodic conditions of growth of algae . This is a manifestation of the fact that ooliths can be formed in low erngy conditions as evident from the accentricity ...
... algal pisolites showing chaotic arrangments of algal encrustations indicate periodic conditions of growth of algae . This is a manifestation of the fact that ooliths can be formed in low erngy conditions as evident from the accentricity ...
Contents
Vol | 1 |
Vol | 5 |
Petrography of the upper part of Kohistan and southwestern Gilgit | 27 |
4 other sections not shown
Other editions - View all
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