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Marine archaeology in the Gulf of Cambay : ウィキペディア英語版 | Marine archeology in the Gulf of Khambhat Marine archeology in the Gulf of Khambhat - earlier known as Gulf of Cambay - centers on findings made in December 2000 by the National Institute of Ocean Technology (NIOT). NIOT came across palaeo river channels in the sea. These were seen by the scientists involved to be the extension of the present day major rivers of the area. In a similar marine survey, in a Coastal Research Ship during 1999-2000 when Dr S Badrinaryan was the Chief Scientist, several unusual frames of Side Scan Sonar images were encountered. These had square and rectangular features in an arranged geometric fashion which are not expected by the scientist in the marine domain. As per the scientist involved such features are unlikely to be due to natural marine geological processes. This made the scientists suspect that human workmanship must have been involved here. The surveys were followed up in the following years and two palaeo channels of old rivers were discovered in the middle of the Khambhat area under 20-40m water depths, at a distance of about 20 km from the present day coast.〔Gulf of Cambay Cradle of Ancient Civilization ().〕 ==Initial Discovery== In 19 May 2001, India's Union Minister for Human Resource Development, Science and Technology division, Murli Manohar Joshi, announced that the ruins of an ancient civilization had been discovered off the coast of Gujarat, in the Gulf of Khambhat. The site was discovered by NIOT while they performed routine pollution studies using sonar, and was described as an area of regularly spaced geometric structures. It is located 20 km from the Gujarat coast, spans 9 km, and can be found at a depth of 30–40 meters. In his announcement, Joshi represented the site as an urban settlement that pre-dates the Indus Valley Civilization.〔Bavadam, Lyla. ("Questionable claims: Archaeologists debunk the claim that underwater structures in the Gulf of Khambat point to the existence of a pre-Harappan civilisation." ) ''Frontline'' 2–15 March 2002.〕 Further descriptions of the site by Joshi describe it as containing regularly spaced dwellings, a granary, a bath, a citadel, and a drainage system.〔Mudur, G.S. "Forgotten Metropolis on Seabed." ''The Telegraph'' (India ) 19 May 2001. ().〕 However it was later in 22 of May, reported that the discovery has not been dated and the discovery (for example, great baths) resembles the Harrapan civilization dating 4,000 years ago. Furthermore the Indus civilization port Lothal is located at the head, Gulf of Khambhat.〔Rao,R. "Indian seabed hides ancient remains." ''BBC News'' (India ) 22 May 2001. ().〕
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