Geological Bulletin, Volume 14University of Peshawar, 1981 - Geology |
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... Tarbela damsite ( 34 ° 7 ′ ; 72 ° , 47 ′ ) . The intrusions ( sills , dykes and plugs ) are petrographically varied but closely associated , collectively constituting a rather unusual igneous complex . The following sequence of ...
... Tarbela damsite ( 34 ° 7 ′ ; 72 ° , 47 ′ ) . The intrusions ( sills , dykes and plugs ) are petrographically varied but closely associated , collectively constituting a rather unusual igneous complex . The following sequence of ...
Page 21
... Tarbela intergrowths which might owe their origin to a complex process , possibly involving silica metasomatism . METASOMATISM The Tarbela igneous rocks are usually full of secondary green amphibole , scapolite , epidote , biotite ...
... Tarbela intergrowths which might owe their origin to a complex process , possibly involving silica metasomatism . METASOMATISM The Tarbela igneous rocks are usually full of secondary green amphibole , scapolite , epidote , biotite ...
Page 24
... Tarbela complex . In the absence of geochemical data , the petrogenesis of the petrographically varied rock association at Tarbela cannot be satisfactorily explained . Following the genetic classification of the alkaline rocks ( Rock ...
... Tarbela complex . In the absence of geochemical data , the petrogenesis of the petrographically varied rock association at Tarbela cannot be satisfactorily explained . Following the genetic classification of the alkaline rocks ( Rock ...
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