Test for Buried Regolith Surfaces in Apollo 16 Cores
A buried surface in a core can be defined as a regolith surface which existed long enough-without having been overlain by a significant soil column-to exhibit the imprimaturs of its existence: reworking, maturation, mixing, and cosmic ray gradients.
Physics and Astronomy
D. Heymann, J. Ray, D. Dziczkaniec and R. Palma, 1978. Test for Buried Regolith Surfaces in Apollo 16 Cores. Lunar and Planetary Science Conference, Abstract #1180, Lunar and Planetary Institute, Houston, TX.