CARD fuzzes location data for public visitors to the database. Accessing CARD's full capabilities requires an account available only to researchers at accredited institutions.
- Lab number
- Beta-294399
- Material dated
- ivory
- Taxa dated
- mammoth
- Type of date
- archaeological
- Submitter
- Jeff Rasic, NPS
- Uploader
- A. Martindale
- Date uploaded
- March 23, 2015
- Measured Age
- 0
- Normalized Age
- 43500
- Context
- Subsample of a mammoth tusk recovered from a cut bank on the lower Charley River in Yukon-Charley Rivers National Preserve in 2010
- Comments
- A measures radiocarbon age is not reported for infinite dates since corrections may imply a greater level of confidence than is appropriate The 14C activity was extremely low and almost identical to the background signal. In such cases, indeterminate errors associated with the background add non-measurable uncertainty to the result, Always, the result should be considered along with other lines of evidence. The most conservative interpretation of age in infinite (i.e. greater than). 15N/14N +7.9