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United States / TX / Val Verde County / 41VV48 / Beta-391412
- Lab number
- Beta-391412
- Field number
- 41VV48LOT21
- Material dated
- Charcoal
- Type of date
- archaeological
- Locality
- Val Verde
- Submitter
- Margaret Howard
- Date uploaded
- January 18, 2024
- Collector
- Texas Archaeological Society field school
- Updater
- Wyoming Team
- Date updated
- December 31, 2020
- Measured Age
- 3890 ± 30
- Normalized Age
- 4140 ± 30
- δ13C (per mil)
- -9.6
- Stratigraphic component
- Unit, Level 6 (10 cm thick)
- Context
- below midden
- Additional information
- AMS
- Comments
- "...dates the lower part of the cultural deposit beneath the burned rock midden ... The sample was not examined or identified by a paleoethnobotanist before it was submitted for radiocarbon assay, but its isotopic fractionation correction of -9.6 suggests a C4 plant