On a recent trip to the west of Ireland I photographed these rocks. Geologists and any of you who, unlike me, paid attention during double-geography will instantly know all there is to know about these marvels of nature. Thankfully, as a result of my resulting ignorance, I get to see them as an artist, and idly relate them to paintings. Loosely.
Ben Nicholson (obviously)
Add a green and a reddish-brown and you've got an early Thérèse Oulton.
Matta, or possibly John Tunnard.
How Clyfford Still started every one of his paintings.
That weird wibbly-wobbly phase Jean Dubuffet went through at the end of the '50s/start of the '60s.