Outcrops, road cuts, rock gardens, and other large exposures.
Classic "fishmouth" boudin, filled with pegmatite.
Amphibolite layer strung out a bit in the Lewisian.
Lewisian gneiss exposed near Durness, Scotland. Oldest rock in the North West Highlands.
Sea stack of petrified sand dunes
Gently-inclined lake strata of the Stromness Flags, deposited in Devonian Lake Orcadie (~400 Ma). Exposed in coastal western "Mainland" Orkney at Yesnaby.
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.
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