Himalaya: Geological Aspects, Volume 1P. S. Saklani Contributed articles. |
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Page 319
... plagioclase , augite and chlorite in fine grained glassy groundmass . Plagioclase is altered to epidote which occurs also in secondary veins along with quartz . In vesicular types , the vesicules are filled with calcite and quartz . In ...
... plagioclase , augite and chlorite in fine grained glassy groundmass . Plagioclase is altered to epidote which occurs also in secondary veins along with quartz . In vesicular types , the vesicules are filled with calcite and quartz . In ...
Page 372
... plagioclase ( I ) , forming invariably augen occurs as inclusions in plagioclase II ( An 10-25 ) , microcline , microperthite and biotite . Fresh and water clear plagioclase III ( albite ) forms peripheral rim around microcline ...
... plagioclase ( I ) , forming invariably augen occurs as inclusions in plagioclase II ( An 10-25 ) , microcline , microperthite and biotite . Fresh and water clear plagioclase III ( albite ) forms peripheral rim around microcline ...
Page 407
... plagioclase gneiss of Dandelhura region . 5. GRANITES True granite is rarely present in rocks of Nepal . In fact , most of the granites frequently exhibit the effects of mobilization and migmatization . The granitic rocks occur either ...
... plagioclase gneiss of Dandelhura region . 5. GRANITES True granite is rarely present in rocks of Nepal . In fact , most of the granites frequently exhibit the effects of mobilization and migmatization . The granitic rocks occur either ...
Contents
Tectonics and Structure of the Pamirs | 1 |
Metamorphic events in Ladakh Indus suture zone Karakorum | 17 |
Peninsular and Himalayan Precambrian Belts | 31 |
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Acharyya Alpine Alps associated basement faults basin batholith belt biotite Bordet Central Crystalline chlorite collision continental Cretaceous crust crustal deformation deposits earthquakes eastern Eocene facies flysch folds foreland formation Gansser Garhwal garnet Geodynamics Geol Geology Geophys geosyncline gneiss Gondwana granite Higher Himalaya Himalaya Indian plate Indian Shield Indus Suture island arc Jour Karakorum Kashmir Klootwijk Krol Kumaun Ladakh Late Lesser Himalaya limestone Lower magmatic Main Boundary Main Central Thrust margin melange Mesozoic metamorphism Molnar movement nappe Nepal northern northward occur oceanic ophiolite orogenic Pakistan Palaeocene palaeomagnetic Palaeozoic Pamir Pande Panjal Permian phase plate tectonics Plateau Precambrian Proterozoic quartzite Quetta Range region rocks rotation Saklani sandstones Saxena schists sedimentary sediments seismicity sequence serpentinite Sharma Shyok Simla Siwalik southern stratigraphic structural Surv suture zone Tectonic Zone Tectonophysics Tertiary Tethyan Tethys thickness Tibet Tibetan slab Triassic Upper Valdiya volcanics