Llun: 1

Big fossil Plagiostoma Lima. Nash Point. September 1978

Dyddiad: September 1978

Llun: 2

Liassic corals Nash Point. Montlivaltia sp. July 1983

Dyddiad: July 1983

Llun: 3

Nash Point, New Fall. September 1978. Tufa infill left of valley

Dyddiad: September 1978

Llun: 4

Marcross stream, banks free of scrub on tufa valley fill. February 1976

Dyddiad: February 1976

Llun: 5

Marcross stream, cuts through hill wash and tufa with cemented falls. Nash Point. February 1976

Dyddiad: February 1976

Llun: 6

Flat river terrace in tufa, infill of solifluction valley, Marcross. February 1976

Dyddiad: February 1976

Llun: 7

Marcross stream erosion leaving river terrace in tufa and Iron Age hill wash. February 1976

Dyddiad: February 1976