Ther e is a certain inter-relation in spatial and temporal distribution of the mine ral deposits in a district of concentrated metallogen-esis.

 
  • 同时,矿集区更是矿产资源勘查的重要地区,许多老矿山所处的矿集区仍然是我国重要的勘查远景区。
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目录 附录 查词历史