Sample B-69
NavDat sample number 3795 · TUFF
Sample
| Sample ID | B-69 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | White-cored pumice blocks in small knob of partially-welded vitric tuff |
Location
| Latitude | 37.8043 |
|---|---|
| Longitude | -118.797 |
| 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 | 107 | PPM | XRF | |
| SR | 72 | PPM | XRF | |
| Y | 13 | PPM | XRF | |
| ZR | 144 | PPM | XRF | |
| NB | 16 | PPM | XRF | |
| BA | 1.49 | PPM | XRF | |
| BA | 34.87 | PPM | XRF | |
| LA | 63 | PPM | INAA | |
| CE | 102 | PPM | INAA | |
| ND | 29.6 | PPM | INAA | |
| SM | 3.27 | PPM | INAA | |
| EU | 0.335 | PPM | INAA | |
| TB | 0.3 | PPM | INAA | |
| DY | 2.05 | PPM | INAA | |
| YB | 1.24 | PPM | INAA | |
| LU | 0.16 | PPM | INAA | |
| RB | 108 | PPM | INAA | |
| CS | 2.1 | PPM | INAA | |
| BA | 401 | PPM | INAA | |
| TH | 13.53 | PPM | INAA | |
| U | 2.94 | PPM | INAA | |
| SC | 1.86 | PPM | INAA | |
| HF | 4.13 | PPM | INAA | |
| TA | 0.9 | PPM | INAA | |
| CR | 2 | PPM | INAA | |
| CO | 1.02 | PPM | INAA | |
| ZN | 29 | PPM | INAA | |
| MN | 176 | PPM | INAA | |
| W | 0.7 | PPM | INAA | |
| SB | 0.61 | PPM | INAA |