To explore a gigapan of the roadcut from which this sample was collected, click here:
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Sand from Perissa Beach, Santorini, Greece.
Silurian-aged sandstone from the Bloomsburg Formation collected in Little Fort Valley, VA.
To explore a cut and polished sample of this diamictite, click here:
Lycopsid bark from the Pennsylvanian-age Allegheny Formation, collected on Corridor H in West Virginia.
Eocence-aged basalt from the Mole Hill volcanic neck in Rockingham County, VA.
To explore an uncut sample of this diamictite, click here:
Migmatite from Orange Springs Farm, near Unionville, Virginia. Partial melting of this schist occurred during the late Ordovician Taconian Orogeny (~460 Ma). Sample courtesy T. Keller Grayson.
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