Outcrop
Black's Law Dictionary · Henry Campbell Black, M.A. · 1910
Black's Law Dictionary
In mining law. The edge of a stratum which appears at the surface of the ground; that portion of a vein or lode which appears at the surface or immediately under the soil and surface dCbris.
See Duggan v. Davey, 4 Dak. 110, 26 N. W. 887; Stevens v. Williams, 23 Fed. Cas. 40.