small mine block

例句：

1. 1.The small mine block is a valuable resource for the local economy.
   这个小型矿块是当地经济的重要资源。
2. 2. The small mine block was discovered during the early exploration of the area.
   这个小型矿块是在该地区早期勘探中发现的。
3. 3. The small mine block has been studied extensively to determine its potential as a mining site.
   这个小型矿块已经被广泛研究，以确定其作为采矿地点的潜力。