Sample B-108
NavDat sample number 3808 · TUFF
Sample
| Sample ID | B-108 |
|---|---|
| Rock name | TUFF |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Elevation 4550'; on slope between partially-welded ledges of B-107 and B-109. Poorly-exposed non-welded base of upper cooling unit; pumice lumps up to 8 cm diameter |
Location
| Latitude | 37.451 |
|---|---|
| Longitude | -118.398 |
| 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 |
|---|---|---|---|---|
| NA2O | 3.45 | WT% | WET | |
| K2O | 4.8 | WT% | WET | |
| H2O | 1.42 | WT% | WET | |
| AL2O3 | 11.92 | WT% | INAA | |
| FEO | 0.73 | WT% | INAA | |
| MNO | 0.03 | WT% | INAA | |
| H2O_MINUS | 0.29 | WT% | WET | |
| LA | 28.3 | PPM | INAA | |
| CE | 57 | PPM | INAA | |
| ND | 20.3 | PPM | INAA | |
| SM | 3.33 | PPM | INAA | |
| EU | 0.095 | PPM | INAA | |
| TB | 0.42 | PPM | INAA | |
| DY | 2.85 | PPM | INAA | |
| YB | 2 | PPM | INAA | |
| LU | 0.26 | PPM | INAA | |
| RB | 152 | PPM | INAA | |
| CS | 3.7 | PPM | INAA | |
| BA | 21 | PPM | INAA | |
| TH | 15.91 | PPM | INAA | |
| U | 4.95 | PPM | INAA | |
| SC | 2.35 | PPM | INAA | |
| HF | 3.63 | PPM | INAA | |
| TA | 1.46 | PPM | INAA | |
| CR | 20 | PPM | INAA | |
| CO | 0.57 | PPM | INAA | |
| ZN | 0.46 | PPM | INAA | |
| MN | 218 | PPM | INAA | |
| W | 2.9 | PPM | INAA | |
| SB | 0.78 | PPM | INAA |