Himalaya: Geological Aspects, Volume 1P. S. Saklani Contributed articles. |
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Page 76
... magma in the northwestern and central regions emplaced and crystallised from late Early Cretaceous ( 108+ 17 Ma ) to Late Miocene ( 9.2 + 0.6 Ma ) . This inference is based on Rb- Sr whole rock isochrons and U - Pb zircon ages . In view ...
... magma in the northwestern and central regions emplaced and crystallised from late Early Cretaceous ( 108+ 17 Ma ) to Late Miocene ( 9.2 + 0.6 Ma ) . This inference is based on Rb- Sr whole rock isochrons and U - Pb zircon ages . In view ...
Page 320
... magma is measured by FeO * / MgO ( FeO + Fe ̧O2 as FeO * ) and Miyashiro ( 1974 ) has classified basic volcanism of ... magma depends to a large extent on degree of partial melting of upper mantle , on depth of magma generation and ...
... magma is measured by FeO * / MgO ( FeO + Fe ̧O2 as FeO * ) and Miyashiro ( 1974 ) has classified basic volcanism of ... magma depends to a large extent on degree of partial melting of upper mantle , on depth of magma generation and ...
Page 321
... magma composition in Japanese islands indicated that , tholeiitic magma is produced at depth of 100 km ; high alumina basalt at 100- 200 km and alkali - olivine basalt at depth 200 km ( Kuno , 1966 ) . Green et al . , ( 1967 ) have also ...
... magma composition in Japanese islands indicated that , tholeiitic magma is produced at depth of 100 km ; high alumina basalt at 100- 200 km and alkali - olivine basalt at depth 200 km ( Kuno , 1966 ) . Green et al . , ( 1967 ) have also ...
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