...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...
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...