mines de bentonite

Bentonite Mining In The United States | The Diggings™

Browse bentonite mining mines in The United States by region—including Arizona, California, Washington.

Bentonite deposits of the northern Black Hills district, …

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 …

New Wyo-Ben® website now live – Bentonite leader marks …

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 …

About Us

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), …

World's Largest Bentonite Deposits, world record in 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 …

Learn About Bentonite Mining 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, …

Infrastructure and Construction Materials Guide — Bentonite

All significant commercial bentonite mining in North America is by surface mining operations using scrapers, bulldozers and excavators to remove the relatively soft …

Learn About Bentonite Mining in Wyoming

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 Mining | The Diggings™

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 Bentonite

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. …