Abstract:

Jiaojia gold plate under the main ore occurrence of the large scale and relatively low grade ore geological resources, higher gold prices in recent years to seize the favorable opportunity to complete the main ore body has been taken under a separate set of low grade ore Recycling and the main ore ore body has not yet recovered the synchronization recovery, and reduce the rate of decline in mining field, to extend the service life of mine effect is obvious, not only the full recovery of the national mineral resources, and the obvious economic benefits of mining to other similar cases have good of reference.

Key words: Low-grade ore, Recycling, Jiaojia gold mine, Shandong Province