Geological Bulletin, Volume 14University of Peshawar, 1981 - Geology |
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Page 161
Between the two sutures occur rocks of the Kohistan sequence ( Tahirkheli et al .
, 1979 ) , principally Cretaceous to Eocene in age . These are dominantly
igneous ( mostly intrusive ) and range from ultrabasic to acidic in chemistry , with
a ...
Between the two sutures occur rocks of the Kohistan sequence ( Tahirkheli et al .
, 1979 ) , principally Cretaceous to Eocene in age . These are dominantly
igneous ( mostly intrusive ) and range from ultrabasic to acidic in chemistry , with
a ...
Page 175
The existing plate tectonic models , involving the subduction and accretion
between the three tectonic elements , viz . Indian Plate , Kohistan - Ladakh arc
sequences , and Asian mass , at two sites ( first at MMT during Creto - Early
Tertiary and ...
The existing plate tectonic models , involving the subduction and accretion
between the three tectonic elements , viz . Indian Plate , Kohistan - Ladakh arc
sequences , and Asian mass , at two sites ( first at MMT during Creto - Early
Tertiary and ...
Page 199
( 1979 ) , and Virdi ( 1981 ) suggested the formation of Kohistan , Ladakh island
arc between the two plates . Coward et al . ( in press , 1982 ) found that the
structure of the Kohistan zone is much complex for such a simple interpretation .
( 1979 ) , and Virdi ( 1981 ) suggested the formation of Kohistan , Ladakh island
arc between the two plates . Coward et al . ( in press , 1982 ) found that the
structure of the Kohistan zone is much complex for such a simple interpretation .
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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 |
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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