Drawing at Rhossili, sitting above a 125,000 year old limpet shell….
Embedded within a remnant of the ‘Patella’ beach to which it lends its name, the shell is held fast by ‘natural cement’ (precipitated limestone / calcium carbonate). This raised beach fragment is a relic from earth’s last warm period (interglacial) when the sea level was much higher than today - but temperatures were almost the same. A probable indicator of what is to come, perhaps in the next few hundred years, should global CO2 levels not fall below current levels.
