P3A1L1E1O1S1O1L1
10 points
PALEOSOL is validvalid
a layer of ancient soil [n PALEOSOLS]
a buried soil horizon of the geologic past, also PALAEOSOL [n PALEOSOLS]
a layer of ancient soil [n PALEOSOLS]
a buried soil horizon of the geologic past, also PALAEOSOL [n PALEOSOLS]