Himalaya: geological aspectsContributed articles. |
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Page 28
CONCLUSIONS The meagre evidences suggest four main phases of
metamorphism as under: l. Mid-Cretaceous metamorphism was associated with
the development of the 'Kohistan' sequence and Indus suture zone, representing
a volcanic ...
CONCLUSIONS The meagre evidences suggest four main phases of
metamorphism as under: l. Mid-Cretaceous metamorphism was associated with
the development of the 'Kohistan' sequence and Indus suture zone, representing
a volcanic ...
Page 381
Mostly the mica mineral-dates fall within 10 to 90 m.y. and this confirms that
regional polyphased metamorphism was closely related to Himalayan tectonics (
Sarkar et al., 1964; Pande and Kumar, 1972; Pande, 1974; Ashgirei et al., 1977; ...
Mostly the mica mineral-dates fall within 10 to 90 m.y. and this confirms that
regional polyphased metamorphism was closely related to Himalayan tectonics (
Sarkar et al., 1964; Pande and Kumar, 1972; Pande, 1974; Ashgirei et al., 1977; ...
Page 457
The association of inverted metamorphism with regional thrust-faults and the
zonal disposition in relation to the thrust have led Graham and England ( I 976) to
stress the process of shear heating at the thrust. Generation of inverted
geotherraal ...
The association of inverted metamorphism with regional thrust-faults and the
zonal disposition in relation to the thrust have led Graham and England ( I 976) to
stress the process of shear heating at the thrust. Generation of inverted
geotherraal ...
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Contents
Tectonics and Structure of the Pamirs | 9 |
Metamorphic events in Ladakh Indus suture zone Karakorum | 19 |
Peninsular and Himalayan Precambrian Belts | 31 |
Copyright | |
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Common terms and phrases
Acharyya Alpine Alps associated basement faults basin batholith belt biotite Bordet Central Crystalline collision continental Cretaceous crust crustal deformation deposits Earth Planet earthquakes Eastem Eocene facies field first flow flysch folds foreland formation Gansser Garhwal Geodynamics Geol Geology Geophys geosyncline gneiss Gondwana granite Himalaya Indian plate Indus island arc Jour Karakorum Kashmir Klootwijk Krol Kumaun Ladakh Late Lesser Himalaya limestone lndus Lower magmatic Main Boundary Main Central Thrust margin melange Mesozoic metamorphism Molnar movement nappe Nepal northem occur oceanic ofthe ophiolite orogenic Pakistan Palaeogene palaeomagnetic Palaeozoic Pamir Pande Panjal phase plate tectonics Plateau Precambrian Proterozoic quartzite Quetta Range region rocks rotation Saklani sandstones Saxena schists sedimentary sediments seismicity sequence serpentinite significance Simla Siwalik southem stratigraphic structural subduction Surv suture zone Tectonic Zone Tectonophysics Tertiary Tethyan Tethys thickness Tibetan slab Upper Valdiya volcanics westem