Geological Bulletin, Volume 14University of Peshawar, 1981 - Geology |
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Page 4
Amongst the major outcrops , one semi - concentric , loop - like gabbroic body
occurs in the central part of the complex near the crushing plant ( Fig 1 ) . ... In the
central portion of the outcrop , the basic rocks surround an albititic core .
Amongst the major outcrops , one semi - concentric , loop - like gabbroic body
occurs in the central part of the complex near the crushing plant ( Fig 1 ) . ... In the
central portion of the outcrop , the basic rocks surround an albititic core .
Page 10
The principal outcrop of ( a ) is a plug - like intrusion ( about 10 m . in diameter )
cutting the leuco - gabbroic portion of the semi - concentric outcrop . The intrusion
itself is cut by dykes of similar composition , but darker in colour and ...
The principal outcrop of ( a ) is a plug - like intrusion ( about 10 m . in diameter )
cutting the leuco - gabbroic portion of the semi - concentric outcrop . The intrusion
itself is cut by dykes of similar composition , but darker in colour and ...
Page 22
Disseminated albite is also found in fine - grained banded metasediments near
albite - carbonate breccia in the isolated outcrop SE of the road and SW of the
power house . The grain size and albite : carbonate ratios vary from band to band
...
Disseminated albite is also found in fine - grained banded metasediments near
albite - carbonate breccia in the isolated outcrop SE of the road and SW of the
power house . The grain size and albite : carbonate ratios vary from band to band
...
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Contents
The Geology and Petrography of the Tarbela Alkaline Complex | 1 |
Petrography of the Loe Shilman Carbonatite Complex Khyber Agency | 29 |
Major Elements Abundance in the Kalam Lavas | 45 |
Copyright | |
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abundant albite albitites alkaline altered amphibole andesite apatite associated band basic beds belt biotite bodies brown Bull calcite carbonate carbonatite chemical chlorite complex composition consist contain deposits described detailed developed diorites dolomite epidote et al fault feldspar field Formation gabbroic Geol Geology gneisses grains granites granitic rocks green Himalayas hornblende igneous indicate Indus intrusions island arc Jurassic Kalam Karakoram Kempe Kohistan Late Limestone locally lower magmatic magnetite major margin metamorphism microfacies minerals minor muscovite normal northern obducted occur origin outcrop Pakistan Peshawar petrography phases plagioclase Plate Pleistocene present pyrite pyrochlore quartz quartzite range region reported river rocks samples sandstones schists sediments sequence sericite shales similar Siwalik sphene structure suggest Swat syenites Table Tahirkheli Tarbela tectonic thick thin Traces Univ University Upper Valley varieties veins volcanic Warsak West zone