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The Nansha sea area is located in the place where the Pacific Ocean plate, In-dian-Australian plate and Eurasian plate meet, and therefore, its formation and evolu-tion are both constrained by those three plates. It is a semi-closed marginal sea area,which is only connected with the Indian and the Pacific Ocean by channels. TheSr-O isotopic composition of sediments in this area was systematically studied for fur-ther understanding of its formation and evolution. The range of our investigation islimited to the area of 105-118°E and 3 - 12°N. The surface sediments from 36 sta-tions, which are distributed in the above area, were analyzed. All of the analytical
It is a semi-closed marginal sea area, which is only connected with the Indian and the Pacific Ocean by channels. TheSr-O isotopic composition of sediments in this area was systematically studied for fur-ther understanding of its formation and evolution. The range of our investigation islimited to the area of 105-118 ° E and 3 - 12 ° N. The surface sediments from 36 sta-tions, which are distributed in the above area, were analyzed. All of the analytical techniques