一、日本海洋开发产业的产生日本产业界真正着手进行海洋开发的时间是六十年代初期。1948年,美国开发路易斯安娜海底油田首先获得成功。随后,在世界各海区相继发现和开发了大型的海底油田。通过“国际地球观测年”(1957—1960年)和“国际印度洋观测年”(1959—1961年)等大型海洋调查活动,发现在太平洋海底存有大量的含锰、镍、钴等团状矿物—— First, the Japanese marine development industry Japanese industry really started marine development time is the early sixties. In 1948, the United States first succeeded in developing the Louisiana submarine oilfield. Subsequently, large-scale submarine fields have been discovered and developed successively in various sea areas around the world. Through large-scale marine survey activities such as the International Earth Observation Year (1957-1960) and the International Indian Ocean Observing Year (1959-1961), a large amount of clumpy minerals containing manganese, nickel and cobalt are found in the Pacific Ocean -