Geological Bulletin, Volume 12University of Peshawar, 1979 - Geology |
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Page 13
Presence of clay was also confirmed by this process . In rare cases iron oxide
was observed as an important cementing material instead of calcareous cement .
TEXTURE Texture of sandstones is expressed by the grain to grain relationship
of ...
Presence of clay was also confirmed by this process . In rare cases iron oxide
was observed as an important cementing material instead of calcareous cement .
TEXTURE Texture of sandstones is expressed by the grain to grain relationship
of ...
Page 17
The finely divided iron oxide appears to have been precipitated and dispersed
mechanically in the clay and silt sized grains . Besides magnetite and hematite ,
limonjte and leucoxene may also be present . Cementing material Detrital ...
The finely divided iron oxide appears to have been precipitated and dispersed
mechanically in the clay and silt sized grains . Besides magnetite and hematite ,
limonjte and leucoxene may also be present . Cementing material Detrital ...
Page 24
The grains are subangular to subrounded and are bounded together by loose
calcareous cement . The sandstones also contain clay , and at some stratigraphic
levels clay and silt are the dominant constituents of the sandstones . Micaceous ...
The grains are subangular to subrounded and are bounded together by loose
calcareous cement . The sandstones also contain clay , and at some stratigraphic
levels clay and silt are the dominant constituents of the sandstones . Micaceous ...
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Contents
1979 No | 1 |
Khewra Gorge Khewra Jehluu District | 11 |
Khewra Gorge Khewra Jehlum District | 21 |
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Common terms and phrases
abundant anhedral appears Baghanwala Formation basal base basin biotite brown Bull calcarenite calcareous calcareous cement calcite Cambrian carbonate carbonate and limonite carbonate minerals Cementing material characterized chlorite circulated clastic clay clear colour common Compactibility constituents contains corroded boundaries crystals cubic currents deposition dominant Early effects environments exposed field formed fossils Geol Geology glauconite important India indicate industries interbeddings intercalations iron oxide Jutana Dolomite KHAN Khewra Gorge laminated layers less limestone limonite maroon material is carbonate matrix medium metamorphism meters mica micaceous minerals noticed observed occurs olive origin Pakistan Peshawar pigmentation places porosity present primary pseudomorphs Punjab quartz grains recrystallized result ripple marks rocks rounded Saline Salt Range sand sandstone sector sedimentary sediments seen shale shallow slides solution strata stratification structures stylolites suggestive texture thick thin bedded Thin Section tion underlying Univ upper various vary warm writers York