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Recently, researchers traced the tectonic evolution of “Greater Maldive Ridge (GMR)” which is a geodynamic feature in western Indian Ocean.
Key Facts
What did the team find?
The team found that, Maldive Ridge might have formed in close vicinity of Mid-Oceanic Ridge, where new ocean floor is created due to divergent motion of spreading centre or lithospheric plates. They also concluded that, Deep-Sea Channel region (DSC) may probably be oceanic in nature, because of presence of underplated materials associated with hotspot volcanism. Researchers chalked possible geological cross-sections along the GMR, with the help of high-resolution gravity data derived from satellite.
Research team used gravity anomalies to form a three-dimensional picture of variation along the Greater Maldive Ridge and adjoining ocean basins.
State of Gravitational Equilibrium
Study provides the crustal architecture as well as the state of gravitational equilibrium between Earth’s crust and mantle of the GMR segment of larger Chagos-Laccadive Ridge (CLR) system. It was found that, Moho is deeper across Maldive Ridge (MR) segment and shallows southwards in Deep-Sea Channel region (DSC). However, effective elastic thickness values were lower over MR compared in DSC region.
Maldive Ridge
The Maldive Ridge is located in the western Indian Ocean, southwest of India. It is aseismic, that is not associated with earthquake activities. The ridge largely remains uninvestigated. It is of most importance to gain knowledge on structure and geodynamics of such structures. It is a submarine ridge, extends from western shore of Hindustan Peninsula to Arabian-Indian Ridge. It is about 3000 km in length, 200-450 km in width and have the elevation of 2-5 km. Peaks of this ridge rise above the water, to form coral islands (atolls) namely, the Laccadive Islands, Chagos Archipelago and Maldive Islands.
National Engineer’s Day is celebrated to mark the birth anniversary of _______________.
Chandrasekhara Venkata Raman
Mokshagundam Visvesvaraya
Satyendra Nath Bose
Homi Jehangir Bhabha
National Engineer’s Day marks the birth anniversary of Sir Mokshagundam Visvesvaraya, one of the nation's greatest engineers.
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Recently, which day was observed as the National Engineer’s Day to honor the brilliant minds that shape the modern world ?
September 5
September 10
September 15
August 27
National Engineer’s Day, observed annually on September 15, honors the brilliant minds that shape the modern world. In India. Prime Minister Narendra Modi and Union Home Minister Amit Shah has greeted all the technocrats on Engineers’ Day.
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