Outcrops, road cuts, rock gardens, and other large exposures.
A sea stack made of petrified dune sand.
Jefferson rock, part of the Harpers Formation, in Harpers Ferry, West Virginia.
Exposure of the Harpers Formation in Harpers Ferry, West Virginia along Shenandoah Street.
To see a closer look, view Callan Bentley's GigaPan of this outcrop here; www.gigapan.com/gigapans/179982
Volcanic rock at crazy storm beach near Eshaness. Devonian aged ignimbrite.
"Grind" means gate - here, during the biggest, storms, waves ramp up and crash through the gate, ripping out huge boulders of ignimbrite and piling them up inland as a crazy storm beach.
Mafic to intermediate composition agglomerate from a Devonian-aged volcano at Eshaness, Shetland.
Lava flow (with interesting 'mega-swirl' feature) over agglomerate. Devonian in age.
An artistic interpretation of the island's geology.
Permian-aged volcanic vent complex, preserved as a sea stack at Kinkell Ness, east of St. Andrews, Scotland
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