Sample B-107
NavDat sample number 3789 · RHYOLITE
Sample
| Sample ID | B-107 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Partially-welded rimrock on hill 4641; contains abundat pink pumice lapilli < 1 cm. diameter |
Location
| Latitude | 37.4512 |
|---|---|
| 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 |
|---|---|---|---|---|
| SIO2 | 74.5 | WT% | WET | |
| TIO2 | 0.12 | WT% | WET | |
| AL2O3 | 12.32 | WT% | WET | |
| FE2O3 | 0.73 | WT% | WET | |
| FEO | 0.17 | WT% | WET | |
| MNO | 0.03 | WT% | WET | |
| MGO | 0.07 | WT% | WET | |
| CAO | 0.66 | WT% | WET | |
| NA2O | 3.56 | WT% | WET | |
| K2O | 5.15 | WT% | WET | |
| P2O5 | 0.025 | WT% | WET | |
| H2O | 1.84 | WT% | WET | |
| TOTAL | 99.6 | WT% | WET | |
| RB | 167 | PPM | XRF | |
| SR | 45 | PPM | XRF | |
| Y | 22 | PPM | XRF | |
| ZR | 119 | PPM | XRF | |
| NB | 20 | PPM | XRF | |
| BA | 3.71 | PPM | XRF | |
| BA | 29.24 | PPM | XRF | |
| H2O_MINUS | 0.33 | WT% | WET | |
| LA | 35.7 | PPM | INAA | |
| CE | 67.4 | PPM | INAA | |
| ND | 24.2 | PPM | INAA | |
| SM | 3.58 | PPM | INAA | |
| EU | 0.159 | PPM | INAA | |
| TB | 0.47 | PPM | INAA | |
| DY | 3.1 | PPM | INAA | |
| YB | 2.06 | PPM | INAA | |
| LU | 0.31 | PPM | INAA | |
| RB | 163 | PPM | INAA | |
| CS | 4.2 | PPM | INAA | |
| BA | 133 | PPM | INAA | |
| TH | 17.71 | PPM | INAA | |
| U | 5.51 | PPM | INAA | |
| SC | 2.55 | PPM | INAA | |
| HF | 4.07 | PPM | INAA | |
| TA | 1.59 | PPM | INAA | |
| CR | 2.7 | PPM | INAA | |
| CO | 0.54 | PPM | INAA | |
| ZN | 35 | PPM | INAA | |
| MN | 244 | PPM | INAA | |
| W | 1.6 | PPM | INAA | |
| SB | 0.7 | PPM | INAA |