USA (Part 3)
Sources:
North Carolina
- Montgomery County ("Paleotrochis," probable cores)
Texas
- Chinati Mountains
Utah
- Cove Fort (extinct)
- Dugway
- Etna (Grouse Creek)
- Topaz Mountain
Wisconsin
- Iron County
Wyoming
- Yellowstone Park
Texas
size:
A strange shaped egg from the only - known - thunderegg site in Texas, the Chinati Mts.
Utah
Cove Fort
size: 112x85 mm
A large egg from the extinct location of Cove Fort.
Dugway
size:
A chalcedony filled Dugway Geode (thunderegg) - rough cut - from the same named site of Dugway (Juab Co.).
Wisconsin
size:
Really rare thunderegg from the Iron Co. in Wisconsin. And to make them even more rare they contain fluorite sometimes, like that one.