caliche
Caliche (also known as calcrete, hardpan, or duricrust) refers to a sedimentary rock formed in arid and semi-arid regions when calcium carbonate precipitates out of solution cementing soil, sand, gravel, or other loose sediments together.
Caliche (also known as calcrete, hardpan, or duricrust) refers to a sedimentary rock formed in arid and semi-arid regions when calcium carbonate precipitates out of solution cementing soil, sand, gravel, or other loose sediments together.