都市が水に飲み込まれ沈没

インドのマハバーラタ神話にはグジャラト(Gujarat)のCambay湾のドワラカ(Dwaraka)と呼ばれた都市が水に飲み込まれ沈没する物語が描かれています。 この都市はクリシュナ王の首都だったと言われています。神話の記述から津波が都市を襲ったと考えられています。さて、NIOT(National Institute of Ocean Technology, of the Department of Ocean Development)がイギリスのガス会社の調査を行っていましたが、海底から遺物が幾つも発見されたので専門家に鑑定をお願いしました。
遺物は木製品、土器、骨などでイギリスのManipur Universityが検査したところ7800-3000年前の物であることがわかりました。また、サブボトムプロファイラーなどの調査により海底に泥で水没した当時の河川のあとも発見されました。

堆積した生物を調べたところ淡水生物が海底面から見つかるなど、3000年前に20-40mほど水位が下がった(地盤が落ちた)と考えられています。ガルチア(Gartia)博士はグジャラト地方では1500、3000-5000年周期で巨大地震と巨大津波が起こっていることを発見しました。この際に土地の陥没や河川の大移動があったと考えられています。

How marine archaeologists found Dwaraka
V GANGADHARAN
Chennai, Feb 1:

The submergence into the sea of the city of Dwaraka, vividly picturised in the great epic of Mahabaratha, is indeed true! A chance discovery made by a team of scientists, in the Gulf of Cambay region, establishes that the Mahabaratha story is not a myth. The rich city with fertile landscape and great rivers had indeed submerged into the seas several thousand years ago.

But before we get to the present, a bit of history is quite in order.

There is a vivid description in the Mausalaparvan of the Mahabaratha about the submergence of Dwaraka. The people of Dwaraka including Arjuna seemed to have witnessed strange things before its submergence in the sea. ‘The event was preceded by the unabated rumbling noise of the earth throughout the day and night, birds screamed continuously, and heavy winds swept the land. The sea, which has been beating against the shores, suddenly broke the boundary that was imposed on it by nature. Huge tide with great height surrounded Dwaraka. The sea rushed into the city submerging beautiful buildings. The sea covered up everything and in a matter of few moments, there was no trace of the beautiful city.’ It was something of an ancient tsunami.

And now the scientists at NIOT (National Institute of Ocean Technology, of the Department of Ocean Development) have established this. While working for British gas in the Gulf of Cambay region, a few years ago, the scientists of the NIOT, were stunned to see images of objects and things, completely alien to the marine domain. Immediately a team swung into action and samples were collected and sent for analysis and dating (it is usually done to scientifically establish the antiquity of the excavated objects).

Samples collected include artefacts, wood pieces, pottery materials, hearth pieces, animal bones. They ere sent to Manipur University, Oxford University, London, Institute of Earth Sciences, Hanover, Germany for analysis and dating. The results were astonishing. It was found beyond doubt that the samples belonged to a period varying from 7800 to 3000 years (BP) Before Present !

The even more flooring discovery happened soon. NIOT, which carried outside scan and sub-bottom surveys in the year 2002-03, established beyond doubt the presence of two large palaeochannels (river channels which existed once and later submerged under the sea) in the Gulf of Cambay. Alluvium samples were collected from different locations in the areas of the palaeochannels by the gravity core and grab method.

Badrinarayanan, Marine Archaeologist and formerly coordinator for the project, says ‘the most astonishing thing was that all of the crew-members, including the ship master who was a catholic, had dreams full of strange visions, on the night of discovery. We felt we had stumbled upon something great and unusual.’

The study of the samples under microscope revealed the occurrence of fragile and highly sensitive Ostracods (tiny marine and fresh water crustaceans with a shrimp-like body enclosed in a bivalve shell) overlain by regular marine fauna.

These results strongly indicated that the freshwater deposition which took place in this area was very much a part of the onshore land region and later submerged to the depths varying from 20 to 40 meters. The alluvium (fresh water sand) samples sent to the Earth Science Department, Manipur University for OSL (optically stimulated luminescence) dating gave the OSL determinant of 3000 years (BP) Before Present !

Prof.Gartia (The Journal of Indian Ocean Archaeology, No.2 of 2005, Pg.144) after conducting extensive investigations concluded that Gujarat region had experienced at least three large killer earthquakes about 1500, 3000 and 5000 years BP respectively. Geomorphological evidences also show beyond doubt that the North-Western part of the Indian landmass was seismically active during the last 10,000 years. These killer quakes are likely to have caused the shifting of the rivers and sea level fluctuation including the sinking of the legendary city of Dwaraka, capital of the Lord-King Krishna. The discovery about the availability of fresh water from the now submerged major rivers along with other marine-archaeological evidences, corroborates the Mahabaratha reference that Dwaraka, the ancient city of Sri Krishna, lies under the great ocean !

引用元:http://newstodaynet.com/01feb/ss1.htm

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