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Following the rise to present sea levels during the Holocene, by around 7,000 years ago, the strait became submerged. [4] The waves around it, to its north and south are of high contrast. To the north, the waves in the Bay of Bengal are mostly swells while that on the south, in the Palk Bay, the waves are mostly smaller wind waves. [5]
Located on the southeastern tip of the subcontinent, the Gulf of Mannar is known to harbour over 3,600 species of flora and fauna, making it one of the richest coastal regions in Asia. Around 117 hard coral species have been recorded in the Gulf of Mannar. Sea turtles are frequent visitors to the gulf as are sharks, dugongs, and dolphins.
The Palk Strait Bridge is a proposed road and rail sea bridge and tunnel that would cross the Palk Strait roughly over, or parallel to, Adam's Bridge. It would span from Dhanushkodi at the tip of Pamban Island in India, to Talaimannar on Mannar Island in Sri Lanka, and would be used for both industrial/economic purposes and to boost tourism.
Bathymetry of Palk Bay developed by interpolation of National Hydrographic datasets. Palk Bay is a semi-enclosed shallow water body between the southeast coast of India and Sri Lanka, with a water depth maximum of 13 m. [1] Palk Bay is located between 8° 50′ and 10° North latitudes and 78° 50′ and 80° 30′ East longitudes. [1]
The Palk Strait Bridge and Tunnel is a proposed 23-kilometre (14 mi) road and rail bridge and tunnel over the Palk Strait between Dhanushkodi in the Indian state of Tamil Nadu and Talaimannar on Mannar Island off the northwestern coast of Sri Lanka.
The channel would be dredged in the Sethusamudram sea between Tamil Nadu and Sri Lanka, passing through the limestone shoals of Rama Sethu. The project involves digging a 44.9-nautical-mile (51.7 mi; 83.2 km) long deepwater channel linking the shallow Palk Strait with the Gulf of Mannar .
More than 90% of Sri Lanka's surface lies on Precambrian strata, some of it dating back 2 billion years. [6] The granulite facies rocks of the Highland Series (gneisses, sillimanite-graphite gneisses, quartzite, marbles, and some charnockites) make up most of the island and the amphibolite facies gneisses, granites, and granitic gneisses of the Vijayan Series occur in the eastern and ...
Sumba Strait – between Flores and Sumba, Indonesia; Sunda Strait – between Sumatra and Java; Surigao Strait – between Leyte and Mindanao islands in the Philippines; Suwannee Strait (prehistoric) – a.k.a. Gulf Trough: Florida (USA) Svinesund – between Norway and Sweden; The Swale – England: between the Isle of Sheppey and the ...