Himalaya: Geological Aspects, Volume 1P. S. Saklani Contributed articles. |
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Page 65
... zircon ( 102 ± 3 Ma ) from granodiorite of the Kargil Basic Complex intruding the Dras volcanics and marking the maturity and thickening of the Dras volcanic palaeo - arc . The plutons of the Ladakh granitoid complex dated from 60 to 40 ...
... zircon ( 102 ± 3 Ma ) from granodiorite of the Kargil Basic Complex intruding the Dras volcanics and marking the maturity and thickening of the Dras volcanic palaeo - arc . The plutons of the Ladakh granitoid complex dated from 60 to 40 ...
Page 69
... zircons from Ladakh batholith is a good evidence to suggest that the proportion of the continental crust was probably significant in the eastern part of the batholith . The model age of 350 Ma and 590 Ma for the zircon arrived at from ...
... zircons from Ladakh batholith is a good evidence to suggest that the proportion of the continental crust was probably significant in the eastern part of the batholith . The model age of 350 Ma and 590 Ma for the zircon arrived at from ...
Page 76
... zircon ages . In view of the reported disequilibrium in the Rb / Sr isotopic system at the whole rock scale ( Vidal et al . , 1982 ) doubts have been caused on the older ( more than 40 Ma ) Rb / Sr isochron ages reported for the ...
... zircon ages . In view of the reported disequilibrium in the Rb / Sr isotopic system at the whole rock scale ( Vidal et al . , 1982 ) doubts have been caused on the older ( more than 40 Ma ) Rb / Sr isochron ages reported for the ...
Contents
Tectonics and Structure of the Pamirs | 1 |
Peninsular and Himalayan Precambrian Belts | 31 |
Central Indian Ridge and Himalayan Mountain System | 55 |
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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