Geological Bulletin, Volume 12University of Peshawar, 1979 - Geology |
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Page 3
... dominant . Very thin lami- nations are also observed at various stratigraphic levels . Gray , flaggy sandstone lenses are abundantly interbedded and constitute the characteristic features of this formation . Presence of abundant thin ...
... dominant . Very thin lami- nations are also observed at various stratigraphic levels . Gray , flaggy sandstone lenses are abundantly interbedded and constitute the characteristic features of this formation . Presence of abundant thin ...
Page 13
... dominant in the upper part . In some cases the quartz grains are totally coated by iron oxide . Secondary enlargement of quartx grains as a result of authigenesis is also observed . The boundaries of the nucleii are also marked by thin ...
... dominant in the upper part . In some cases the quartz grains are totally coated by iron oxide . Secondary enlargement of quartx grains as a result of authigenesis is also observed . The boundaries of the nucleii are also marked by thin ...
Page 15
... dominant carbonate mineral , however , some dolomite is also present . In slides No. 4 and 8 the calcite appears to be of orthockemical origin , and samples can be called as pure chemical limestones / dolomites . In other slides it is ...
... dominant carbonate mineral , however , some dolomite is also present . In slides No. 4 and 8 the calcite appears to be of orthockemical origin , and samples can be called as pure chemical limestones / dolomites . In other slides it is ...
Contents
and the Baghanwala Formation | 1 |
Khewra Gorge Khewra Jehlum District | 11 |
Khewra Gorge Khewra Jehlum District | 21 |
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Common terms and phrases
anhedral Baghanwala Formation basal basin biotite calcarenite calcareous cement calcilutite texture calcisiltite texture calcite Cambrian carbonate and limonite carbonate matrix carbonate minerals Cementing material characterized by calcarenite chlorite clastic clayey cement colour Compactibility corroded boundaries cross-bedding cubic pseudomorphs deposition detrital Dolomitic limestone environments feldspar fossils freely circulated Geology of India glauconite Grains are subrounded granoblastic highly corroded indicate interbeddings intercalations iron oxide iron oxide pigmentation Jehlum KHAN Khewra Gorge Khyber Agency laminated layers less corroded limestone long shore currents marine water maroon material is carbonate metamorphism meters mica micaceous mineral sector Minerals are anhedral mud cracks non-clastic observed Pakistan Peshawar PETROGRAPHY Plagioclase porosity pseudomorphs Punjab quartz quartz grains recrystallized ripple marks rock texture salt crystals Salt Range sandstone sedimentary rocks sedimentary structures sediments shale slides stable shelf area strata stratification stratigraphic stratigraphic levels stylolites texture is metamorphic thin bedded Thin Section Tobra Formation underlying Jutana Dolomite Univ upper worm burrows