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United States / CO / Larimer County / 5LR11718 (Black Shale Arroyo)
Samples
| Lab number | Site | Province / State | Normalized age | δ13C (per mil) |
|---|---|---|---|---|
| Beta-187894 | 5LR11718 (Black Shale Arroyo) | CO | 1270 ± 40 | |
| Beta-187895 | 5LR11718 (Black Shale Arroyo) | CO | 1060 ± 40 | |
| Beta-287894 | 5LR11718 (Black Shale Arroyo) | CO | 1270 ± 40 | -11.5 |
| Beta-287895 | 5LR11718 (Black Shale Arroyo) | CO | 1060 ± 40 | -22.7 |