Geological Bulletin, Volume 14University of Peshawar, 1981 - Geology |
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Page 186
... Shales . One sample of shale ( KCK - 78 - HN - 117 ) was chemically analy- sed . It contains 48.54 % SiO2 , 18.62 % Al2O3 , 7.45 % Fe2O3 , 3.31 % MgO and 7.45 % CaO . The chemical composition shows it to be a calcareous shale . One ...
... Shales . One sample of shale ( KCK - 78 - HN - 117 ) was chemically analy- sed . It contains 48.54 % SiO2 , 18.62 % Al2O3 , 7.45 % Fe2O3 , 3.31 % MgO and 7.45 % CaO . The chemical composition shows it to be a calcareous shale . One ...
Page 190
... shales with subordinate interbedded limestone which is in turn over- lain by Margala Hill Limestone of Eocene age . The unconformity in Kotli is marked by bauxites and fire clays . In Poonch rocks equivalent to Kuldana Formation are ...
... shales with subordinate interbedded limestone which is in turn over- lain by Margala Hill Limestone of Eocene age . The unconformity in Kotli is marked by bauxites and fire clays . In Poonch rocks equivalent to Kuldana Formation are ...
Page 197
sedimentation comprised of repeated phases of transgression characterised by deposi- tion of sandy shales and siltones , followed by deposition of calcareous and carbona- neous shales , marls and impure limestones in the inundation ...
sedimentation comprised of repeated phases of transgression characterised by deposi- tion of sandy shales and siltones , followed by deposition of calcareous and carbona- neous shales , marls and impure limestones in the inundation ...
Contents
Petrography of the Loe Shilman Carbonatite Complex Khyber Agency | 29 |
Major Elements Abundance in the Kalam Lavas | 45 |
Sections of the Wargal Limestone Western Salt Range Pakistan | 63 |
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albite albite-carbonate albitites alkaline granites alkaline rocks almandine Amph amphibole andesite apatite associated band beds betafite biotite blueschists brown Bull calc-alkaline calcareous calcite carbonate carbonatite Chaudhry chlorite clinopyroxene complex contain country rocks Desio diorites dolerites dolomite epidote fault feldspar fine-grained Formation gabbroic rocks gabbros Geol Geology gneisses grains granitic belt granitic gneisses granitic rocks granodiorite graphitic schists Himalayas hornblende igneous Indus intrusions island arc Jurassic Kalam volcanic zone Karakoram KASC Kempe and Jan Khyber Agency Kohistan magmatic magnetite Mansehra margin Mauji metamict metamorphism metasediments mica microfacies minerals MODAL COMPOSITION muscovite northern occur outcrop Pakistan pegmatite Peshawar Plain petrography petrology plagioclase pluton Punjab Univ pyrite pyrochlore pyroxenites quartz quartzite range region Reshian rhyolite river samples sandstones schistosity schists sediments sequence shales Shangla Shilman Siwalik sphene subduction suggest Swat syenites Tahirkheli Tarbela tectonic ultramafic University of Peshawar veins Warsak