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- Lab number
- I-5450
- Material dated
- Charcoal
- Type of date
- Archaeological
- Locality
- Grand
- Date uploaded
- January 15, 2024
- Updater
- Wyoming team
- Date updated
- December 31, 2020
- Measured Age
- 765 ± 90
- Significance
- Woodland; Sylvicole
- Context
- shallow basin hearth originating from an erosion surface at the top of a slopewash deposit. Wood from Hearth A-3, found directly above an area of thermal oxidation. Hearth was a concentration of charcoal and burned rock, showing no evidence of purposeful preparation. The area of discoloration meas. 33 x 41 cm. Artifacts in the hearth included a basally notched Type VI arrow point, a reused drill of Table Mountain jasper, a C/N Type V arrow point,, a bifacially retouched cutting tool, and 2 obsidian flakes. Interpreted as a lithic workshop for resharpening tools. Abundance of Table Mountain jasper implies a recent visit to the confluence of Arapaho Creek and the Colorado River.
- Additional information
- radiometric