Crust or layer of hard subsoil encrusted with calcium-carbonate occurring in arid or semiarid regions.
1 What's more, underneath the top six inches of dirt topsoil is a clay-like sub layer called caliche .
2 Diggin in that hard caliche .
3 One day I was hauling caliche in the county truck to fill in holes in the road by a bridge.
4 Stirring up a swirl of caliche dust from the road, he planted his feet, in knee-high boots, on the ground.
5 The approach to Caliche is short and steep, and once at the base, you're rewarded with a stellar view.
6 Caliche is a calcium carbonate mineral used in the manufacture of Portland cement and to make lime for soil stabilization.
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