Geological Bulletin, Volume 14University of Peshawar, 1981 - Geology |
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Page 29
... carbonatite complex comprises sill - like bodies of carbonatites and related rocks emplaced in metasediments near Loe Shilman ( 71 ° 9 ′ E , 34 ° 27 ′ N ) in the northwestern part of Khyber Agency . The main complex , exposed along the ...
... carbonatite complex comprises sill - like bodies of carbonatites and related rocks emplaced in metasediments near Loe Shilman ( 71 ° 9 ′ E , 34 ° 27 ′ N ) in the northwestern part of Khyber Agency . The main complex , exposed along the ...
Page 35
... carbonatites are essentially composed of car- bonate ( s ) , amphibole and apatite , with a variety of other minerals ( see Table 2 ) . TABLE 2. MODES OF LAYERED AMPHIBOLE - APATITE CARBONATITE Sample No. CO , Amph Ap Ore Bi Ap - ...
... carbonatites are essentially composed of car- bonate ( s ) , amphibole and apatite , with a variety of other minerals ( see Table 2 ) . TABLE 2. MODES OF LAYERED AMPHIBOLE - APATITE CARBONATITE Sample No. CO , Amph Ap Ore Bi Ap - ...
Page 120
... Carbonatite . Field data ( Qureshi et al . , 1980 ) indicate that amphibole car- bonatite was emplaced as the first phase followed by biotite carbonatite and subse- quently the intrusion of strontranite - witherite carbonatite completed ...
... Carbonatite . Field data ( Qureshi et al . , 1980 ) indicate that amphibole car- bonatite was emplaced as the first phase followed by biotite carbonatite and subse- quently the intrusion of strontranite - witherite carbonatite completed ...
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