State by State
Virginia
- Specimen Number
44
- Description
Broken boulder of red quartzite or quartz-arenite sandstone. Identified by survey staff as a "Cambrian age quartzite"
- Classification
Sedimentary. Sandstone. Marine.
- Location & Occurrence
Possibly Rose Hill Formation. These are Silurian and Cambrian marine sands that include quartz arenites.
- Geological Age
Plausibly Cambrian or Silurian.
- Geoheritage
If this is the Rose Hill Formation, this material was hard enough to be worked into archaeological tools.
- Links
Link to State Geological Map from USGS. Link to Virginia Geology & Energy Resources. Link to USGS Description. Link to artifact source rock.
- Other
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