0.29% of all Clay deposits have Bentonite. 1.36% of all Bentonite deposits have Clay. Aggregates: 6: 6,614: 0.09% of all Aggregates deposits have Bentonite. 1.02% of all Bentonite deposits have Aggregates. Sand and Gravel: 4: 469: 0.85% of all Sand and Gravel deposits have Bentonite. 0.68% of all Bentonite deposits have Sand and Gravel ...