Geological Bulletin, Volumes 17-18University of Peshawar, 1984 - Geology |
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Page 167
... island arc : example of the Kohistan sequence ( Pakistan ) in the Himalayan collided range . Earth Planet . Sci . Letters 65 , 133-44 . 1983b . Metamorphic evolution of an obducted island arc : sequence ( Pakistan ) in the Himalayan ...
... island arc : example of the Kohistan sequence ( Pakistan ) in the Himalayan collided range . Earth Planet . Sci . Letters 65 , 133-44 . 1983b . Metamorphic evolution of an obducted island arc : sequence ( Pakistan ) in the Himalayan ...
Page 100
... island arc forming a large magma chamber . The magma corresponding to the ultramafic and associa- ted mafic rocks was emplaced at crystallizing floor at various stages of crystalli- zation , in the form of isolated pulses of ...
... island arc forming a large magma chamber . The magma corresponding to the ultramafic and associa- ted mafic rocks was emplaced at crystallizing floor at various stages of crystalli- zation , in the form of isolated pulses of ...
Page 144
... island arc , on a thrust plane now exposed at the base of the Swat gneisses as a zone of recrystallized mylonites . These mylonites have smaller thrust slices of rapakivi granites , silli- manite gneisses , marbles , and schists . The ...
... island arc , on a thrust plane now exposed at the base of the Swat gneisses as a zone of recrystallized mylonites . These mylonites have smaller thrust slices of rapakivi granites , silli- manite gneisses , marbles , and schists . The ...
Contents
UNIVERSITY OF PESHAWAR | 1 |
Distribution of trace elements in ophiolites from Cazaneshti | 17 |
Petrochemistry of the rocks from Babaji area a part of the Ambela granitic | 31 |
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Common terms and phrases
actinolite Afghanistan amphibole amphibolite analyses anorthosites associated basalt Batura belt Bibai biotite block blueschist facies Bull calcic amphibole chemical Chilas complex chlorite chromite clinopyroxene composition coronas Cretaceous crossite deposits diamictite dunite epidote fault feldspar folds Formation garnet Geol Geology glacier glaucophane gneisses grains granulites greenschist high-P Himalaya hornblende Hunza igneous Indus suture intrusions island arc Karakorum kbar Khan Kohistan Ladakh laterite lavas layers limestone mafic mafic rocks magmatic magnetite Malakand Manglaur Mansehra margins melange metamorphic metasediments mica minerals Mingora Mohmand Agency mylonites Na₂O norites northern Pakistan obducted occur olivine ophiolite orthopyroxene Pakistan peridotites Petrology phengite plagioclase plate plot pyroxene pyroxenites quartz range samples schist sediments sequence serpentinite Shangla shear Shergarh Sar area SiO2 Siwalik Group sodic amphibole spinel suggest Surv suture zone Swat Table Tahirkheli tectonic temperature texture thrust troctolites ultramafic ultramafic rocks Univ University of Peshawar volcanic