Stone from Widemouth bay: what are those lines? Geologists?

I criss-crossed Cornwall and Devon over the last long weekend. Geology written large across the landscape, Tors in Dartmoor, old seabeds and strata exposed on Cornish seasides. I wish I knew more, I wish I remembered all I read clearly.
Pony in Dartmoor National park

Crockern Tor in Dartmoor

A hare at Lizard point

Seaweed at Widemouth bay

A seagull at Tintagel

The same bird
