Sample B-79
NavDat sample number 3797 · VITROPHERE
Sample
| Sample ID | B-79 |
|---|---|
| Rock name | VITROPHERE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Elevation 7100', dense crystal-rich vitrophyre with abundant black glassy fiamme |
Location
| Latitude | 37.8695 |
|---|---|
| Longitude | -119.077 |
| 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 | 74.15 | WT% | WET | |
| MGO | 0.16 | WT% | WET | |
| CAO | 0.82 | WT% | WET | |
| NA2O | 3.54 | WT% | WET | |
| K2O | 5.23 | WT% | WET | |
| H2O | 1.18 | WT% | WET | |
| TOTAL | 99.6 | WT% | WET | |
| RB | 94 | PPM | XRF | |
| SR | 92 | PPM | XRF | |
| Y | 15 | PPM | XRF | |
| ZR | 121 | PPM | XRF | |
| NB | 12 | PPM | XRF | |
| BA | 1.02 | PPM | XRF | |
| BA | 32.35 | PPM | XRF | |
| TIO2 | 0.13 | WT% | INAA | |
| FEO | 1.01 | WT% | INAA | |
| MNO | 0.02 | WT% | INAA | |
| AL2O3 | 13.28 | WT% | XRF | |
| H2O_MINUS | 0.09 | WT% | WET | |
| LA | 54.2 | PPM | INAA | |
| CE | 88.3 | PPM | INAA | |
| ND | 25.3 | PPM | INAA | |
| SM | 2.8 | PPM | INAA | |
| EU | 0.386 | PPM | INAA | |
| TB | 0.27 | PPM | INAA | |
| DY | 1.68 | PPM | INAA | |
| YB | 1.13 | PPM | INAA | |
| LU | 0.17 | PPM | INAA | |
| RB | 95 | PPM | INAA | |
| CS | 2 | PPM | INAA | |
| BA | 501 | PPM | INAA | |
| TH | 12.02 | PPM | INAA | |
| U | 2.66 | PPM | INAA | |
| SC | 1.82 | PPM | INAA | |
| HF | 3.74 | PPM | INAA | |
| TA | 0.8 | PPM | INAA | |
| CR | 2.2 | PPM | INAA | |
| CO | 1.09 | PPM | INAA | |
| ZN | 28 | PPM | INAA | |
| MN | 172 | PPM | INAA | |
| W | 1.4 | PPM | INAA | |
| SB | 0.5 | PPM | INAA |