Attapulgite clay reserves
Attapulgite clay ore has many ore spots in the world, but the proportion of ore deposits with industrial mining significance is not large, and it is limited to a few countries such as the United States, China, Russia, and Niger. According to incomplete statistics, the world's proven available reserves are more than 100 million tons. However, the ore in the Yan area has high grades and large reserves. The proven reserves of high-quality attapulgite are more than 67 million tons, accounting for 74% of the country and 50% of the world. The total amount of local attapulgite clay containing useful clay such as bentonite is more than 900 million tons.