Geological Bulletin, Volume 14University of Peshawar, 1981 - Geology |
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Page 113
... varieties indicates a genrally lower uranium and higher Ti as compared to dark brown and black varieties ( Table III ) . Data on Nb and Ta content of pyrochlore from Loe - Shilman was not obtained during this investigation but ...
... varieties indicates a genrally lower uranium and higher Ti as compared to dark brown and black varieties ( Table III ) . Data on Nb and Ta content of pyrochlore from Loe - Shilman was not obtained during this investigation but ...
Page 120
... varieties probably represent a re - equilibration of previously crystallized pyrochlore to the new P.T.C. conditions of late intrusions and hydothermal fluids . However , the possibility of crystallization of varying composition of ...
... varieties probably represent a re - equilibration of previously crystallized pyrochlore to the new P.T.C. conditions of late intrusions and hydothermal fluids . However , the possibility of crystallization of varying composition of ...
Page 122
... varieties can only be established through radiometric data or detailed chemical and field relation studies with respect to the distribu- tion of these pyrochlores . Partially metamict and non metamict varieties could have resulted from ...
... varieties can only be established through radiometric data or detailed chemical and field relation studies with respect to the distribu- tion of these pyrochlores . Partially metamict and non metamict varieties could have resulted from ...
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