Bentonite is surface mined through a process called back-casting where reclamation is performed by filling the mining pits with soils from subsequent pits while the mine is in production. Typically the topsoil layer is about 30 inches deep, which is removed using heavy equipment. …
Bentonite Performance Minerals, LLC. (BPM) is a leading producer of Wyoming sodium bentonite clay. BPM has mining operations in the Western US and processing facilities in Lovell, WY (Big Horn Basin), …
Browse bentonite mining mines in The United States by region—including Arizona, California, Washington.
BILLINGS, Montana – A new Wyo-Ben® Inc. website is now live. The bentonite production leader's homepage now features stunning aerial footage of a Wyo-Ben production …
Wyoming is the nation's leader in bentonite production with more than 4 million tons of bentonite produced each year. Employment. In 2018, the industry employed 711 workers, including mill operators, mechanics, …
All significant commercial bentonite mining in North America is by surface mining operations using scrapers, bulldozers and excavators to remove the relatively soft …
The northern Black Hills district is an important source of commercial gel-forming sodium-type bentonite. During the period 1941-56 more than 5 million tons of raw bentonite …
Bentonite is a versatile clay mineral composed primarily of smectite, which gives it unique swelling, adsorption, and plasticity properties. It is named after Fort Benton, Wyoming, …
"Wyoming mines more bentonite than any other state in the United States and has 70 percent of the world's known supply of bentonite. Almost 5 million tons of …
Bentonite has been mined in Wyoming for more than 125 years. The state leads the nation in the production of bentonite, and has 70 percent of the world's known deposits. …