Geological Bulletin, Volume 5University of Peshawar - Geology |
From inside the book
Results 1-3 of 24
Page 11
... Grey , greenish grey and brownish grey are the common colours associated with the weathered surfaces whereas the fresh faces are light grey or light greenish grey . In thin sections slight metamorphic effects are observed . The ...
... Grey , greenish grey and brownish grey are the common colours associated with the weathered surfaces whereas the fresh faces are light grey or light greenish grey . In thin sections slight metamorphic effects are observed . The ...
Page 12
... grey on exposed surface and dark grey to sooty black on fresh faces . It contains argillaceous laminations and streaks distributed both horizontally and vertically , usually surrounding the nodules . The fractures are prominent and ...
... grey on exposed surface and dark grey to sooty black on fresh faces . It contains argillaceous laminations and streaks distributed both horizontally and vertically , usually surrounding the nodules . The fractures are prominent and ...
Page 135
... grey , while the phyllites are grey to green- ish - grey . The quartzite is light brown and has a minor quantity of sericite . The schists are grey , greenish - grey and yellowish - brown . Talc - chlorite schist , very much weathered ...
... grey , while the phyllites are grey to green- ish - grey . The quartzite is light brown and has a minor quantity of sericite . The schists are grey , greenish - grey and yellowish - brown . Talc - chlorite schist , very much weathered ...
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