Geological Bulletin, Volume 14University of Peshawar, 1981 - Geology |
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Page 17
... places only one set of narrow discontinuous lamellae is observed looking like normal albite . Such a pattern may have developed by coalescence from chess - board albite under shearing effect caused by excessive internal energy stored in ...
... places only one set of narrow discontinuous lamellae is observed looking like normal albite . Such a pattern may have developed by coalescence from chess - board albite under shearing effect caused by excessive internal energy stored in ...
Page 105
... place . Shams et al . ( 1980 ) have presented two analyses of crossites from Shangla . One of these comes from a rock containing , among other minerals , albite and garnet , the An content of the plagioclase being 0.14 ( Kempe , pers ...
... place . Shams et al . ( 1980 ) have presented two analyses of crossites from Shangla . One of these comes from a rock containing , among other minerals , albite and garnet , the An content of the plagioclase being 0.14 ( Kempe , pers ...
Page 174
... places , pyroxenes and petrographically resemble some of the tonalites of Swat Valley . The tonalites south of Baraul Banda are accompanied by granodiorites and pegmatites ( Khan , 1979 ) . Amongst other granitic rocks , one consisting ...
... places , pyroxenes and petrographically resemble some of the tonalites of Swat Valley . The tonalites south of Baraul Banda are accompanied by granodiorites and pegmatites ( Khan , 1979 ) . Amongst other granitic rocks , one consisting ...
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