Sample B-104
NavDat sample number 3800
Sample
| Sample ID | B-104 |
|---|---|
| Rock type | VOLCANIC |
| Material | IGNEOUS |
| Comment | Pumice quarry E. of Blind Spring Hill at junction of Marble and Spring Canyon Creek. White angular pumice from 3-4 m thick main airfall unit; base not exposed |
Location
| Latitude | 37.7446 |
|---|---|
| Longitude | -118.455 |
| 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 | 74.4 | WT% | WET | |
| TIO2 | 0.09 | WT% | WET | |
| AL2O3 | 11.92 | WT% | WET | |
| FE2O3 | 0.41 | WT% | WET | |
| FEO | 0.39 | WT% | WET | |
| MNO | 0.04 | WT% | WET | |
| MGO | 0.03 | WT% | WET | |
| CAO | 0.63 | WT% | WET | |
| NA2O | 3.55 | WT% | WET | |
| K2O | 4.54 | WT% | WET | |
| P2O5 | 0.01 | WT% | WET | |
| H2O | 3.04 | WT% | WET | |
| TOTAL | 99.57 | WT% | WET | |
| RB | 198 | PPM | XRF | |
| SR | 21 | PPM | XRF | |
| Y | 20 | PPM | XRF | |
| ZR | 89 | PPM | XRF | |
| BA | 9.43 | PPM | XRF | |
| BA | 24.12 | PPM | XRF | |
| H2O_MINUS | 0.45 | WT% | WET | |
| LA | 20.6 | PPM | INAA | |
| CE | 46.3 | PPM | INAA | |
| ND | 19.1 | PPM | INAA | |
| SM | 3.65 | PPM | INAA | |
| EU | 0.071 | PPM | INAA | |
| TB | 0.61 | PPM | INAA | |
| DY | 3.87 | PPM | INAA | |
| YB | 2.55 | PPM | INAA | |
| LU | 0.36 | PPM | INAA | |
| RB | 181 | PPM | INAA | |
| CS | 5.5 | PPM | INAA | |
| BA | 11 | PPM | INAA | |
| TH | 19.7 | PPM | INAA | |
| U | 6.31 | PPM | INAA | |
| SC | 3.02 | PPM | INAA | |
| HF | 3.69 | PPM | INAA | |
| TA | 1.97 | PPM | INAA | |
| CR | 2.7 | PPM | INAA | |
| CO | 0.6 | PPM | INAA | |
| ZN | 37 | PPM | INAA | |
| MN | 279 | PPM | INAA | |
| W | 3.2 | PPM | INAA | |
| SB | 1.1 | PPM | INAA |