Geological Bulletin, Volume 12University of Peshawar, 1979 - Geology |
From inside the book
Results 1-3 of 8
Page 15
... occurs as small flakea partly altered to chlorite . Pronouneed oxidation has effccted the biotite flakes and in some cases only the pseudomorphs of biotite are observed . Muscovite is fresh and occurs as very thin and elongate flakes ...
... occurs as small flakea partly altered to chlorite . Pronouneed oxidation has effccted the biotite flakes and in some cases only the pseudomorphs of biotite are observed . Muscovite is fresh and occurs as very thin and elongate flakes ...
Page 24
... occurs in the form of long thin fresh flakes . On the other hand biotite occurs as brown pleochroic flakes , mostly altered to chlorite . In upper layers extensive oxidation has resulted in the complete staining of biotite flakes . In ...
... occurs in the form of long thin fresh flakes . On the other hand biotite occurs as brown pleochroic flakes , mostly altered to chlorite . In upper layers extensive oxidation has resulted in the complete staining of biotite flakes . In ...
Page 31
... occur . INTRODUCTION A sequence of pink , yellowish - pink , and grayish - white limestone , called the Nowshera Formation , is exposed in the hills of Ghundai Sar . This limestone is dominantly or entirely a coralline limestone ...
... occur . INTRODUCTION A sequence of pink , yellowish - pink , and grayish - white limestone , called the Nowshera Formation , is exposed in the hills of Ghundai Sar . This limestone is dominantly or entirely a coralline limestone ...
Contents
and the Baghanwala Formation | 1 |
Khewra Gorge Khewra Jehlum District | 11 |
Khewra Gorge Khewra Jehlum District | 21 |
2 other sections not shown
Other editions - View all
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