岚山 2 5公里长的海岸线上赋存了大量海砂。砂质颗粒粗细均匀 ,泥质较少 ,内含有少量金云母 ,是理想的建筑、铸造、陶瓷工业原料。据说是自长江口的上海以北海岸赋存最好的金砂滩 ,远近闻名 ,每年都吸引着数十万游客到海滩观光、旅游 ,避暑、消夏 ;同时也引起国内外用砂户的关 There is a large amount of sea sand on the 5 km long coastline of Songshan Mountain. The sand particles are uniform in thickness, less in mud, and contain a small amount of phlogopite, which is an ideal raw material for construction, casting, and ceramic industries. It is said to be the best gold sand beach on the north coast of Shanghai from the Yangtze River estuary. It is known for its reputation. It attracts hundreds of thousands of tourists every year to the beach for sightseeing and tourism, and avoids summer heat and summer. At the same time, it also attracts the use of sand households at home and abroad.