Sample B-14
NavDat sample number 3810 · RHYOLITE
Sample
| Sample ID | B-14 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Pumice from non-welded distal portion of upper cooling unit. Base not exposed; overlain by thin partially-welded caprock |
Location
| Latitude | 37.4327 |
|---|---|
| Longitude | -118.402 |
| 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 |
|---|---|---|---|---|
| LA | 23.1 | PPM | INAA | |
| CE | 49 | PPM | INAA | |
| ND | 19.8 | PPM | INAA | |
| SM | 3.68 | PPM | INAA | |
| EU | 0.034 | PPM | INAA | |
| TB | 0.55 | PPM | INAA | |
| DY | 3.8 | PPM | INAA | |
| YB | 2.6 | PPM | INAA | |
| LU | 0.34 | PPM | INAA | |
| RB | 183 | PPM | INAA | |
| CS | 5.3 | PPM | INAA | |
| BA | 10 | PPM | INAA | |
| TH | 20.29 | PPM | INAA | |
| U | 6.53 | PPM | INAA | |
| SC | 2.91 | PPM | INAA | |
| HF | 3.95 | PPM | INAA | |
| TA | 1.98 | PPM | INAA | |
| CR | 3.8 | PPM | INAA | |
| CO | 0.25 | PPM | INAA | |
| ZN | 32 | PPM | INAA | |
| MN | 260 | PPM | INAA | |
| W | 3.4 | PPM | INAA | |
| SB | 1.1 | PPM | INAA |