Sample B-52
NavDat sample number 3794 · RHYOLITE
Sample
| Sample ID | B-52 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Pink pumice from non-welded margin of ash-flow banked in against a granitic knob |
Location
| Latitude | 37.515 |
|---|---|
| Longitude | -118.632 |
| 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 | 136 | PPM | XRF | |
| SR | 15 | PPM | XRF | |
| Y | 15 | PPM | XRF | |
| ZR | 116 | PPM | XRF | |
| NB | 35 | PPM | XRF | |
| BA | 9.07 | PPM | XRF | |
| BA | 31.87 | PPM | XRF | |
| LA | 38.3 | PPM | INAA | |
| CE | 71.1 | PPM | INAA | |
| ND | 24.6 | PPM | INAA | |
| SM | 3.28 | PPM | INAA | |
| EU | 0.126 | PPM | INAA | |
| TB | 0.37 | PPM | INAA | |
| DY | 2.55 | PPM | INAA | |
| YB | 1.73 | PPM | INAA | |
| LU | 0.21 | PPM | INAA | |
| RB | 133 | PPM | INAA | |
| CS | 3.4 | PPM | INAA | |
| BA | 39 | PPM | INAA | |
| TH | 14.93 | PPM | INAA | |
| U | 4.29 | PPM | INAA | |
| SC | 2.09 | PPM | INAA | |
| HF | 3.64 | PPM | INAA | |
| TA | 1.29 | PPM | INAA | |
| CR | 1.3 | PPM | INAA | |
| CO | 0.4 | PPM | INAA | |
| ZN | 29 | PPM | INAA | |
| MN | 199 | PPM | INAA | |
| W | 1.7 | PPM | INAA | |
| SB | 0.69 | PPM | INAA |