Geological Bulletin, Volume 12University of Peshawar, 1979 - Geology |
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Page 3
... vary from thin to thick beds . However , thin strata are dominant . Very thin lami- nations are also observed at ... varying lithological units of sandstone , silstone , and shales . Planoconvex bodies of channel sands are observed at ...
... vary from thin to thick beds . However , thin strata are dominant . Very thin lami- nations are also observed at ... varying lithological units of sandstone , silstone , and shales . Planoconvex bodies of channel sands are observed at ...
Page 13
... vary from very fine to coarse grained sand size particles of Wentworth Scale ( 1914 ) . However , majority of the sandstones are made up of fine sand grains . Fractured quartz grains are common . Due to the abundance of iron oxide , the ...
... vary from very fine to coarse grained sand size particles of Wentworth Scale ( 1914 ) . However , majority of the sandstones are made up of fine sand grains . Fractured quartz grains are common . Due to the abundance of iron oxide , the ...
Page 17
... varies greatly and in some slides constitute the major portion of the slides ( slide Nos . 1,15 & 18B ) . The grain size also varies greatly , grained calcite / dolomite have been assigned as cementing material , while the rest as ...
... varies greatly and in some slides constitute the major portion of the slides ( slide Nos . 1,15 & 18B ) . The grain size also varies greatly , grained calcite / dolomite have been assigned as cementing material , while the rest as ...
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