1 | Problem was, the salt attracted cattle. | |
2 | Some of the world's supply of salt is mined as rock salt. | |
3 | Some of the world's supply of salt is mined as rock salt. | |
4 | We have a shovel outside, and we usually have a supply of rock salt . | |
5 | Highstand system tracts are formed by thick-massive rock salts intercalated by thin layers of mudstone and sandstone. |