An exposure of interidal peat and trees stumps has been reported in this vicinity.

Sources include:
Bell, M, 2007, Prehistoric Coastal Communities: The Mesolithic in Western Britain, CBA Research Report 149, pg2
Dyfed Archaeological Trust HER Ref: 7994
Lewis, M P, 1992, The Prehistory of Coastal Southwest Wales 7500-3600 BP: an interdisciplinary palaeoenvironmental and archaeological investigation, unpublished PhD thesis, Dept of Archaeology, University of Lampeter
Strahan, A, Cantril, T C, Dixon, E E L, Thomas, H H, and Jones, O T, 1914, The Geology of the south Wales coalfield, HMSO, London

Maritime Officer, RCAHMW, February 2013.