在全球总长为64000 km的洋中脊系统中,慢速扩张洋中脊约占其中的60%(Mark Hannington,2011)。慢速扩张洋中脊发育的热液系统相对稳定,往往较易形成大规模的硫化物矿床(Fouquet,1997;Hannington et al.,2005),据估算,大约有85%的洋中脊硫化物资源集中发育在慢速扩张洋中脊(Mark Hannington,2011)。然而,慢速扩张洋中脊各个脊段之间构造-岩浆作 In the mid-ocean ridge system with a total length of 64,000 km, the slow expanding mid-ocean ridge accounts for about 60% of this (Mark Hannington, 2011). Slow-expanding mid-ocean ridge hydrothermal systems are relatively stable and tend to form large-scale sulfide deposits (Fouquet, 1997; Hannington et al., 2005). It is estimated that about 85% of mid-ocean ridge sulfide Resources are concentrated in slowly expanding mid-ocean ridges (Mark Hannington, 2011). However, the slow-spreading mid-ocean ridge is structural-magmatic between the various ridges