Geological Bulletin, Volume 12University of Peshawar, 1979 - Geology |
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Page 14
In almost all slides mica flakes show a preferred orientation . Plagioclase ,
microcline and glauconite are present in very minor amounts in some of the
slides . Glauconite is present only in slides Nos . 1 and 2 , and appears to be the
result of ...
In almost all slides mica flakes show a preferred orientation . Plagioclase ,
microcline and glauconite are present in very minor amounts in some of the
slides . Glauconite is present only in slides Nos . 1 and 2 , and appears to be the
result of ...
Page 16
Plagioclase Plagioclase is present as a minor constituent and never exceeds
more than 1 percent . Its fine subhedral grains are marked by the combined
carlsbadalbite twinning . On the basis of extinction angle , approximately
determined as ...
Plagioclase Plagioclase is present as a minor constituent and never exceeds
more than 1 percent . Its fine subhedral grains are marked by the combined
carlsbadalbite twinning . On the basis of extinction angle , approximately
determined as ...
Page 18
... other constituents ( micas , chlorite ; plagioclase , and ore minerals ) , majority
of the sandy samples collected from the Baghanwala Formation fall within the
categories of sandstones , micaceous sandseones , and caleareous sandstones .
... other constituents ( micas , chlorite ; plagioclase , and ore minerals ) , majority
of the sandy samples collected from the Baghanwala Formation fall within the
categories of sandstones , micaceous sandseones , and caleareous sandstones .
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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