_4.jpg/330px-Gray_shale_%26_bentonites_(Benton_Shale%2C_Upper_Cretaceous%3B_Red_Rock_Canyon_Open_Space%2C_Colorado_Springs%2C_Colorado%2C_USA)_4.jpg)
Unclassified
Bentonite
—monthly views
0copies owned
—player watchlists
Unclassified
Bentonite
Type of claystone, composed of absorbent smectite clay minerals
epic · Q380149
Related cards · rock
See all 671
Unclassified
Bauxite
—monthly views
0copies owned
—player watchlists
Unclassified
Anthracite
—monthly views
0copies owned
—player watchlists
Unclassified
Ashlar
—monthly views
0copies owned
—player watchlists
Unclassified
Andesite
—monthly views
0copies owned
—player watchlists
Unclassified
Banded iron formation
—monthly views
0copies owned
—player watchlists
Unclassified
Anorthosite
—monthly views
0copies owned
—player watchlists