(cq.xinhuanet.com)
Recently, a geological exploration team discovered a large salt mine 3,400 meters underground in Chongqing, Cnr.cn reported on April 26.
The salt mine covers 43.84 square kilometers, with a total salt reserve of more than 2 billion tons. The purity of the salt is 90 percent.
(cq.xinhuanet.com)
According to the local geological bureau, the salt mine offers abundant and high-quality mineral resources, which are important raw materials for developing the salt chemical industry and producing edible salt. At present, prospecting work is still going on.