Sample B-136
NavDat sample number 3803
Sample
| Sample ID | B-136 |
|---|---|
| Rock type | VOLCANIC |
| Material | IGNEOUS |
| Comment | Elevation 8400', white-cored pumice lapilli from poorly-consolidated thin marginal portion of ash-flow, here overlying and banked against a granitic hill |
Location
| Latitude | 37.8369 |
|---|---|
| Longitude | -118.794 |
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.76 | 0.759 | 0.761 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| RB | 123 | PPM | XRF | |
| SR | 37 | PPM | XRF | |
| Y | 14 | PPM | XRF | |
| ZR | 129 | PPM | XRF | |
| NB | 11 | PPM | XRF | |
| BA | 3.32 | PPM | XRF | |
| BA | 42.72 | PPM | XRF | |
| LA | 48.8 | PPM | INAA | |
| CE | 85.4 | PPM | INAA | |
| ND | 26.2 | PPM | INAA | |
| SM | 3.37 | PPM | INAA | |
| EU | 0.195 | PPM | INAA | |
| TB | 0.36 | PPM | INAA | |
| DY | 2.02 | PPM | INAA | |
| YB | 1.28 | PPM | INAA | |
| LU | 0.15 | PPM | INAA | |
| RB | 117 | PPM | INAA | |
| CS | 2.6 | PPM | INAA | |
| BA | 152 | PPM | INAA | |
| TH | 13.65 | PPM | INAA | |
| U | 3.56 | PPM | INAA | |
| SC | 1.84 | PPM | INAA | |
| HF | 3.02 | PPM | INAA | |
| TA | 1.07 | PPM | INAA | |
| CR | 2.1 | PPM | INAA | |
| CO | 0.62 | PPM | INAA | |
| ZN | 20 | PPM | INAA | |
| MN | 172 | PPM | INAA | |
| W | 2.1 | PPM | INAA | |
| SB | 0.5 | PPM | INAA |