Is it a "Snowball Earth" tillite? Maybe!
Collected at Sharp Top, Blue Ridge province, Virginia. Flip it over and have a look at the other side of the sample, here: gigapan.com/gigapans/183052
Slab showing bedding-parallel trace fossils in siltstone of the Devonian-aged Millboro Formation.
Collected at Sharp Top, Blue Ridge province, Virginia. Flip it over and have a look at the other side of the sample, here: gigapan.com/gigapans/183044
Causeway basalts over Ulster White Limestone (the Chalk).
Fossil gymnosperm cone. From Cerro Cuadrado Petrified Forest site; Mid-Jurassic of Argentina. Sample loaned courtesy of Lisa Williams, NOVA-Biology faculty.
What is the evidence for post-depositional deformation at this site, if any?
A sample of the fern Neuropteris from a nodule in the Mazon Creek area.
Image capture by Graham Bird of GIGAmacro.
Columnar basalt at a seaside location in County Antrim.
Fantastic cliffs and sea stacks covered in nesting guillemots, razorbills, and gulls. Very impressive. Very stinky.
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