Geological Bulletin, Volume 14University of Peshawar, 1981 - Geology |
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Page 186
... 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 sample of shale ( KA - 77 ...
... 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 sample of shale ( KA - 77 ...
Page 189
... Shale Calcareous Micaceous arenite shales lithic arenite arenite SiO2 51.78 48.54 ZrO2 * 0.002 0.002 0.001 TiO2 La Al2O3 16.55 18.62 Y 5.0 5.0 5.0 Fe2O3 5.43 7.45 Mo MnO V 50.0 50.0 50.0 MgO 1.90 3.31 Sc 5.0 99.86 100.02 Total : These ...
... Shale Calcareous Micaceous arenite shales lithic arenite arenite SiO2 51.78 48.54 ZrO2 * 0.002 0.002 0.001 TiO2 La Al2O3 16.55 18.62 Y 5.0 5.0 5.0 Fe2O3 5.43 7.45 Mo MnO V 50.0 50.0 50.0 MgO 1.90 3.31 Sc 5.0 99.86 100.02 Total : These ...
Page 190
... shale and calcareous fragments appear to have been derived from Patala Shales and Margala Hill Limestone . The Siwalik clays are admixtures of clay , quartz and carbonate . Hematite / limonite are ubiquitous accessories . The Siwalik ...
... shale and calcareous fragments appear to have been derived from Patala Shales and Margala Hill Limestone . The Siwalik clays are admixtures of clay , quartz and carbonate . Hematite / limonite are ubiquitous accessories . The Siwalik ...
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