Sample B-120
NavDat sample number 3820 · RHYOLITE
Sample
| Sample ID | B-120 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | E. wall of Fish Slough, 1.25 km N of B-107. White-cored pink pumice lapilli; float from unexposed thick non-welded section between ledges of partially-welded tuff. |
Location
| Latitude | 37.4599 |
|---|---|
| Longitude | -118.395 |
| 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 | 21.4 | PPM | INAA | |
| CE | 46.6 | PPM | INAA | |
| ND | 17.7 | PPM | INAA | |
| SM | 3.5 | PPM | INAA | |
| EU | 0.074 | PPM | INAA | |
| TB | 0.51 | PPM | INAA | |
| DY | 3.45 | PPM | INAA | |
| YB | 2.49 | PPM | INAA | |
| LU | 0.35 | PPM | INAA | |
| RB | 166 | PPM | INAA | |
| CS | 4.7 | PPM | INAA | |
| BA | 12 | PPM | INAA | |
| TH | 18.68 | PPM | INAA | |
| U | 5.58 | PPM | INAA | |
| SC | 2.58 | PPM | INAA | |
| HF | 3.64 | PPM | INAA | |
| TA | 1.69 | PPM | INAA | |
| CR | 2 | PPM | INAA | |
| CO | 2.08 | PPM | INAA | |
| ZN | 38 | PPM | INAA | |
| MN | 252 | PPM | INAA | |
| W | 2.8 | PPM | INAA | |
| SB | 1 | PPM | INAA |