网络释义
1)quaternary illuviated ore deposit,第四纪淋积矿床2)quaternary sedimentary ore deposit,第四纪沉积矿床3)quarternary exogenetic ore deposits,第四纪外生矿床4)quarternary placer deposit,第四纪砂矿床5)quarternary volcanic ore deposit,第四纪火山矿床6)quarternary weathering ore deposit,第四纪风化矿床
