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Afanasy Nikitin Seamount, recently seen in the news, lies in which one of the following oceans?
- a)Pacific Ocean
- b)Atlantic Ocean
- c)Arctic Ocean
- d)Indian Ocean
Correct answer is option 'D'. Can you explain this answer?
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Afanasy Nikitin Seamount, recently seen in the news, lies in which one...
India recently applied to the International Seabed Authority (ISBA) for rights to explore two vast tracts in the Indian Ocean seabed, including a cobalt-rich crust long known as the Afanasy Nikitin Seamount (AN Seamount).
About Afanasy Nikitin Seamount:
- The AN Seamount is a structural feature (400 km-long and 150 km-wide) in the Central Indian Basin, located about 3,000 km away from India’s coast.
- It comprises a main plateau, rising 1200 m above the surrounding ocean floor (4800m), and secondary elevated seamount highs.
- It is rich in deposits of cobalt, nickel, manganese, and copper.
What is a Seamount?
- It is an underwater mountain formed through volcanic activity.
- These are recognised as hotspots for marine life.
- Like volcanoes on land, seamounts can be active, extinct, or dormant volcanoes.
- These are formed near mid-ocean ridges, where the earth’s tectonic plates are moving apart, allowing molten rock to rise to the seafloor.
- The planet’s two most-studied mid-ocean ridges are the Mid-Atlantic Ridge and the East Pacific Rise.
- Some seamounts have also been found near intraplate hotspots—regions of heavy volcanic activity within a plate—and oceanic island chains with volcanic and seismic activity called island arcs.
- Significance of seamounts:
- They provide information about the mantle’s composition and how tectonic plates evolve.
- These are helpful in understanding their influence on how water circulates and absorbs heat and carbon dioxide.
- They are good places for life because they can cause localised ocean upwelling, the process by which nutrient-rich water from deep within the ocean moves up to the surface.
Hence option d is the correct answer.
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Afanasy Nikitin Seamount, recently seen in the news, lies in which one...
Location of Afanasy Nikitin Seamount
The Afanasy Nikitin Seamount is located in the Indian Ocean.
Explanation
- The Afanasy Nikitin Seamount was recently in the news due to its significance in oceanic research and exploration.
- Seamounts are underwater mountains that rise from the ocean floor but do not reach the water's surface.
- The Afanasy Nikitin Seamount is specifically situated in the Indian Ocean, making it an important geological feature in that region.
- Seamounts like Afanasy Nikitin are known to support unique ecosystems and biodiversity, making them crucial areas for scientific study and conservation efforts.
- The Indian Ocean is the third-largest ocean in the world, covering an area of approximately 70.56 million square kilometers.
- It is bordered by Asia to the north, Africa to the west, Australia to the east, and the Southern Ocean to the south.
- The Indian Ocean plays a vital role in global trade, marine biodiversity, and climate regulation.
Therefore, the Afanasy Nikitin Seamount, as mentioned in the news, lies in the Indian Ocean.
The Afanasy Nikitin Seamount is located in the Indian Ocean.
Explanation
- The Afanasy Nikitin Seamount was recently in the news due to its significance in oceanic research and exploration.
- Seamounts are underwater mountains that rise from the ocean floor but do not reach the water's surface.
- The Afanasy Nikitin Seamount is specifically situated in the Indian Ocean, making it an important geological feature in that region.
- Seamounts like Afanasy Nikitin are known to support unique ecosystems and biodiversity, making them crucial areas for scientific study and conservation efforts.
- The Indian Ocean is the third-largest ocean in the world, covering an area of approximately 70.56 million square kilometers.
- It is bordered by Asia to the north, Africa to the west, Australia to the east, and the Southern Ocean to the south.
- The Indian Ocean plays a vital role in global trade, marine biodiversity, and climate regulation.
Therefore, the Afanasy Nikitin Seamount, as mentioned in the news, lies in the Indian Ocean.
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Afanasy Nikitin Seamount, recently seen in the news, lies in which one of the following oceans?a)Pacific Oceanb)Atlantic Oceanc)Arctic Oceand)Indian OceanCorrect answer is option 'D'. Can you explain this answer?
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