Sample 381
NavDat sample number 53321 · RHYOLITE
Sample
| Sample ID | 381 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.6367 |
|---|---|
| Longitude | -121.718 |
| State / province | California |
| Volcanic field | Medicine Lake |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.84 | 0.583 | 3.04 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 72.3 | WT% | XRF | |
| AL2O3 | 14.8 | WT% | XRF | |
| FEOT | 2.25 | WT% | XRF | |
| MGO | 0.56 | WT% | XRF | |
| CAO | 1.67 | WT% | XRF | |
| NA2O | 4.17 | WT% | XRF | |
| K2O | 3.77 | WT% | XRF | |
| TIO2 | 0.3 | WT% | XRF | |
| P2O5 | 0.09 | WT% | XRF | |
| MNO | 0.06 | WT% | XRF | |
| TOTAL | 97.69 | WT% | XRF | |
| LOI | 1.76 | WT% | XRF | |
| RB | 90 | PPM | XRF | |
| SR | 175 | PPM | XRF | |
| Y | 27 | PPM | XRF | |
| ZR | 191 | PPM | XRF | |
| NB | 11 | PPM | XRF | |
| BA | 814 | PPM | XRF | |
| SC | 4.6 | PPM | INAA | |
| CR | 1 | PPM | INAA | |
| CO | 2.1 | PPM | INAA | |
| RB | 85 | PPM | INAA | |
| SR | 150 | PPM | INAA | |
| ZR | 157 | PPM | INAA | |
| SB | 0.48 | PPM | INAA | |
| CS | 4.61 | PPM | INAA | |
| BA | 754 | PPM | INAA | |
| LA | 20.2 | PPM | INAA | |
| CE | 37.1 | PPM | INAA | |
| ND | 18 | PPM | INAA | |
| SM | 3.5 | PPM | INAA | |
| EU | 0.687 | PPM | INAA | |
| GD | 2.86 | PPM | INAA | |
| TB | 0.544 | PPM | INAA | |
| DY | 3.57 | PPM | INAA | |
| TM | 0.37 | PPM | INAA | |
| YB | 2.44 | PPM | INAA | |
| LU | 0.388 | PPM | INAA | |
| HF | 4.36 | PPM | INAA | |
| TA | 0.686 | PPM | INAA | |
| TH | 8.76 | PPM | INAA | |
| U | 3.18 | PPM | INAA | |
| MN | 541 | PPM | INAA |