The Main Chromitite Seam and the Merensky Reef do not outcrop well.主铬铁岩矿层及麦仑斯基矿层出露不好.Practically every rock outcrop shows numberless joints.实际上所有岩石的露头都显示许许多多的节理.The example from field outcrop in Jiaolai Basin confirms th...
...an outcrop of rugged granite.露出地面的花岗岩粗糙岩层Practically every rock outcrop shows numberless joints.实际上所有岩石的露头都显示许许多多的节理.A little way below the ridge was an outcrop of rock that made a rough shelter.山脊下方不远处有一块露出地面的岩石，大致形成...