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1介绍印度扇沉积的开始被认为是发生于渐新世到早中新世,其时印度板块和阿拉伯板块碰撞。印度扇长1,500km,最大宽度960km,是阿拉伯海中最大的自然地理构造,东边界是印度大陆边缘/查戈斯-拉克代夫海脊(Chagos-Laccadive Ridge),西边界是欧文-墨里海脊(Owen-Murray Ridge),南部则
1 Introduction The beginning of Indian fan deposition was thought to occur from Oligocene to early Miocene when the Indian plate collided with the Arabian plate. India has a fan length of 1,500 km and a maximum width of 960 km. It is the largest natural geography in the Arabian Sea. The eastern boundary is the Chagos-Laccadive Ridge on the Indian Continent and the Irving-Murray Ridge on the western border Owen-Murray Ridge, south