Geological Bulletin, Volume 14University of Peshawar, 1981 - Geology |
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Page 22
The aggregates are randomly distributed throughout the finer - grained matrix but
in a few banded rocks may have a parallel fabric and selective concentration
along certain bands . The albite grains in the cores of the aggregates arc
generally ...
The aggregates are randomly distributed throughout the finer - grained matrix but
in a few banded rocks may have a parallel fabric and selective concentration
along certain bands . The albite grains in the cores of the aggregates arc
generally ...
Page 31
Modal composition of two banded rocks is given below : KAS - 16 Bio - Mus band
with Qz and Ab Bio - Ab - Qz band ... ( 4 mm ) Bio - Ab - Qz - Ab band with traces
of Ore / Rt ( 1 mm ) Ab - Bio - Qz - Ore - Sph - Mus band , coarser grained than ...
Modal composition of two banded rocks is given below : KAS - 16 Bio - Mus band
with Qz and Ab Bio - Ab - Qz band ... ( 4 mm ) Bio - Ab - Qz - Ab band with traces
of Ore / Rt ( 1 mm ) Ab - Bio - Qz - Ore - Sph - Mus band , coarser grained than ...
Page 32
Alk Amph - Qz - Plg - Bio - Ore band ( 1 mm ) Bio - Qz - Plg - Orth - Ore band ( 2
mm ) Alk Amph - Bio - Qz - Plg - Ore band ( 1 cm ) Bio - Qz - Plg - Micr - CO : - - Zir
band ( į mm ) Alk Amph - Bio - CO : - Qz - Plg band ( 21 mm ) CO3 – alk Amph ...
Alk Amph - Qz - Plg - Bio - Ore band ( 1 mm ) Bio - Qz - Plg - Orth - Ore band ( 2
mm ) Alk Amph - Bio - Qz - Plg - Ore band ( 1 cm ) Bio - Qz - Plg - Micr - CO : - - Zir
band ( į mm ) Alk Amph - Bio - CO : - Qz - Plg band ( 21 mm ) CO3 – alk Amph ...
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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