Sample B-103
NavDat sample number 3817 · RHYOLITE
Sample
| Sample ID | B-103 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Benton Hot Springs; 200m. due S of BM 5626 at road bend around pond. Small pits expose 2 m of non-welded ash-flow tuff with lapilli to 4 cm diameter |
Location
| Latitude | 37.7985 |
|---|---|
| Longitude | -118.528 |
| 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 | 18.7 | PPM | INAA | |
| CE | 40.2 | PPM | INAA | |
| ND | 18 | PPM | INAA | |
| SM | 3.56 | PPM | INAA | |
| EU | 0.045 | PPM | INAA | |
| TB | 0.57 | PPM | INAA | |
| DY | 3.83 | PPM | INAA | |
| YB | 2.67 | PPM | INAA | |
| LU | 0.34 | PPM | INAA | |
| RB | 183 | PPM | INAA | |
| CS | 5.7 | PPM | INAA | |
| BA | 12 | PPM | INAA | |
| TH | 20.14 | PPM | INAA | |
| U | 6.22 | PPM | INAA | |
| SC | 2.96 | PPM | INAA | |
| HF | 3.56 | PPM | INAA | |
| TA | 2.01 | PPM | INAA | |
| CR | 3.7 | PPM | INAA | |
| CO | 0.25 | PPM | INAA | |
| ZN | 37 | PPM | INAA | |
| MN | 254 | PPM | INAA | |
| W | 2.4 | PPM | INAA | |
| SB | 1.4 | PPM | INAA |