Sample 1162
NavDat sample number 52998 · RHYOLITE
Sample
| Sample ID | 1162 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.4617 |
|---|---|
| Longitude | -121.722 |
| State / province | California |
| Volcanic field | Medicine Lake |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.391 | 0.029 | 0.549 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 75.6 | WT% | XRF | |
| AL2O3 | 13.3 | WT% | XRF | |
| FEOT | 1.25 | WT% | XRF | |
| MGO | 0.25 | WT% | XRF | |
| CAO | 0.89 | WT% | XRF | |
| NA2O | 3.92 | WT% | XRF | |
| K2O | 4.62 | WT% | XRF | |
| TIO2 | 0.21 | WT% | XRF | |
| P2O5 | 0 | WT% | XRF | |
| MNO | 0.03 | WT% | XRF | |
| TOTAL | 98.98 | WT% | XRF | |
| LOI | 0.35 | WT% | XRF | |
| FEOT | 0.82 | WT% | WET | |
| H2O_PLUS | 0.18 | WT% | WET | |
| H2O_MINUS | 0.08 | WT% | WET | |
| CO2 | 0.05 | WT% | WET | |
| RB | 133 | PPM | XRF | |
| SR | 77 | PPM | XRF | |
| Y | 29 | PPM | XRF | |
| ZR | 185 | PPM | XRF | |
| NB | 9 | PPM | XRF | |
| BA | 772 | PPM | XRF | |
| ZN | 30 | PPM | XRF | |
| SC | 4.5 | PPM | INAA | |
| CO | 1.2 | PPM | INAA | |
| ZN | 28 | PPM | INAA | |
| RB | 143 | PPM | INAA | |
| SR | 71 | PPM | INAA | |
| ZR | 162 | PPM | INAA | |
| SB | 1.45 | PPM | INAA | |
| CS | 7.77 | PPM | INAA | |
| BA | 814 | PPM | INAA | |
| LA | 26.2 | PPM | INAA | |
| CE | 49 | PPM | INAA | |
| ND | 19.7 | PPM | INAA | |
| SM | 4.35 | PPM | INAA | |
| EU | 0.456 | PPM | INAA | |
| TB | 0.626 | PPM | INAA | |
| YB | 3.1 | PPM | INAA | |
| LU | 0.477 | PPM | INAA | |
| HF | 5.38 | PPM | INAA | |
| TA | 1.033 | PPM | INAA | |
| TH | 14.2 | PPM | INAA | |
| U | 5 | PPM | INAA |