Geological Bulletin, Volume 14University of Peshawar, 1981 - Geology |
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Page 170
... hornblende , and K - feldspar . The other rock types have little or no hornblende but more K - feldspar . The modal mineralogy of the Giraf syenite may suggest an alkalic affinity of some of the intrusive phases , but not necessarily ...
... hornblende , and K - feldspar . The other rock types have little or no hornblende but more K - feldspar . The modal mineralogy of the Giraf syenite may suggest an alkalic affinity of some of the intrusive phases , but not necessarily ...
Page 173
... hornblende- poor pink granite , whereas the core zone contains hornblende - biotite granite , and two - mica granite in aplitic , granitic and pegmatitic textures . Tonalites and grano- diorites are reported to occur as apophyses in the ...
... hornblende- poor pink granite , whereas the core zone contains hornblende - biotite granite , and two - mica granite in aplitic , granitic and pegmatitic textures . Tonalites and grano- diorites are reported to occur as apophyses in the ...
Page 174
... hornblende and biotite , but a few also contain pyroxenes . Also found are leucogranites that differ from granites in non - porphyritic texture , non - perthitic K - feldspar , and development of myrmekite . All the rocks of the suite ...
... hornblende and biotite , but a few also contain pyroxenes . Also found are leucogranites that differ from granites in non - porphyritic texture , non - perthitic K - feldspar , and development of myrmekite . All the rocks of the suite ...
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