南好地区位于海南岛南部的保亭、崖县和乐东等三县交界处。所出露的古生代地层是花岗岩中所残留的一块浅变质岩块,面积约120km~2,以往划为下石炭统岩关阶南好组及泥盆系。笔者于南好矿区原发现岩关阶化石层位的北西侧,发现大量志留纪珊瑚、腕足 Nanhao region is located in the southern part of Hainan Island Baoting, Clifford County and Lok three counties at the junction. The exposed Paleozoic strata are a type of superficial metamorphic block left in the granite with an area of ​​about 120km ~ 2. It was previously classified as Nanhao Formation and Devonian of the Lower Carboniferous Guanjian Stage. The author found in the south of the original mine rock level fossil layer on the north west side and found a large number of Silurian coral,