Geological Bulletin, Volume 6University of Peshawar, 1971 - Geology |
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Page 9
The rocks also have fractures , microfractures , and shear zones , that may
brecciate the rock for many feet , with greenish colour due to secondary chlorite ,
amj hibole and epidote . In some , the middle part is crushed fine . Slickensides ,
at ...
The rocks also have fractures , microfractures , and shear zones , that may
brecciate the rock for many feet , with greenish colour due to secondary chlorite ,
amj hibole and epidote . In some , the middle part is crushed fine . Slickensides ,
at ...
Page 27
However , in a five feet thick bed , which has fewer fractures , many cubic feet
large blocks are extractable . Some of the marbles are micaceous and , in a few ,
iron oxide staining is seen along the fractures . Thus , it is clear that the marbles
at ...
However , in a five feet thick bed , which has fewer fractures , many cubic feet
large blocks are extractable . Some of the marbles are micaceous and , in a few ,
iron oxide staining is seen along the fractures . Thus , it is clear that the marbles
at ...
Page 115
In some parts , the fractures are fairly abundant and the graphite concentration is
locally high . In one of the polished ... It tends to decrease away from the fracture ,
passing into an irregular zone of iron leaching ( up to 0 . 2 " thick and having ...
In some parts , the fractures are fairly abundant and the graphite concentration is
locally high . In one of the polished ... It tends to decrease away from the fracture ,
passing into an irregular zone of iron leaching ( up to 0 . 2 " thick and having ...
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Contents
Preliminary geology and petrography of Swat Kohistan EARTH | 1 |
The geology of the Gandghar Range Distt Hazara N W F | 33 |
Lithological classification and environment of deposition of | 43 |
6 other sections not shown
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Common terms and phrases
abundant amounts amphibolites appears associated bands base beds biotite body brines Bull carbonates changes chlorite colour common complexes composition concentration contain correlated crystals dark deposits developed diorites dykes east eastern epidote exposed extend feet feldspar fluids folded Formation fractures Gandghar Range Geol geology grades grains granites green grey Group hornblende hydrothermal inclusions increases Indus intrusions iron Kalam latter layers light limestone locally located Lower marble material Member metals Middle miles minerals nature norites occur origin outcrop Pakistan pegmatite Peshawar phyllites places plagioclase present probably quartz quartzite rare region result River road rocks samples schists seen sericite shale sheared shown Slates solubility solutions stream strike structure suggested sulphide sulphur Swat temperature thick thin transport types Univ Upper usually valley varieties various veins village volcanic waters western zone