Permian-aged volcanic vent complex, preserved as a sea stack at Kinkell Ness, east of St. Andrews, Scotland
Handheld panorama of the western shore of Jura.
Jefferson Rock offers a view over the confluence of the Potomac and Shenandoah Rivers.
Unknown provenance, but it tells a nice story.
With coral growing on the outside of the shell. Here is the other side (interior) of this sample: www.gigapan.com/gigapans/193132
with cross-beds and pebbles. Corridor H, West Virginia.
Flip side of the sample here: www.gigapan.com/gigapans/187778
Ancient glacier-dammed lake shores, etched into the hillside of this U-shaped valley.
Devonian red beds, folded during Alleghanian mountain-building.
Cross-cutting basement complex granitoids.
Broken into segments (boudinaged) with calcite filling the "necks" between these segments. One of three from the structural geology collection of Declan De Paor.
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