Overstep

An overstep is a geological form that has a deposition of a stratum across inclined, progressively older rocks.[1] An onlap is a more general term than overstep, in which the younger beds overlap onto successively older beds.

For other uses, see Overstep (disambiguation).

References

1. Alistair F. Pitty Structure and Relief 1985 Page 28 "An overstep is a geological term describing the deposition of a stratum across inclined, progressively older rocks, as seen on both flanks of the Market Weighton axis (figure 9). In South East England, the Lower Greensand is another very ..."