This gallery holds the entire Mid-Atlantic Geo-Image Collection. Outcrops, landscapes, hand samples . . . they're all here.
Proterozoic-aged alkali feldspar granite. This sample was collected along the Wolf River near White Lake, WI, and is part of the Wolf River batholith.
Sample contributed by Beth Johnson.
The state fossil of Virginia, the first fossil described in the New World, and the index fossil of the Lower Yorktown Formation.
Cretaceous-aged granodiorite with feldspar megacryst.
Lower Martinsburg Formation limy shale exposed near Tumbling Run section.
Trace fossils in Devonian mudrock.
Devonian sediment-mining feeding traces preserved in Devonian-aged mudrock, Fort Valley, Virginia.
Cambrian quartz sandstone from the Blue Ridge; showing primary sedimentary features.
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