Sanguine, Natural mineral in Ashland County, Wisconsin
Sanguine is a natural mineral deposit in Ashland County, Wisconsin, containing red chalk with high concentrations of iron oxide minerals. The fine-grained formation creates its characteristic blood-red coloration and extends several meters below the surface.
Native American tribes used this natural pigment source for ceremonial paintings and decorations long before European settlers arrived. The site has a long history of resource extraction that continued across generations.
Local artists gather here regularly to collect natural materials for traditional drawing techniques and to prepare earth pigments. The site serves as a source for natural colorants used in craft practices.
The site is accessible via Forest Road 237, with designated parking and informational signs about mineral collection rules. Visitors should note that material removal follows specific regulations and access may vary by season.
This site contains one of the largest natural concentrations of sanguine chalk in North America, making it a rare geological location. The extensive underground deposits make it a notable example of natural pigment sources in the region.
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