Sample 554
NavDat sample number 52886 · RHYOLITE
Sample
| Sample ID | 554 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.5983 |
|---|---|
| Longitude | -121.568 |
| State / province | California |
| Volcanic field | Medicine Lake |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.29 | 0.029 | 0.549 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 71.7 | WT% | XRF | |
| AL2O3 | 14.9 | WT% | XRF | |
| FEOT | 2.17 | WT% | XRF | |
| MGO | 0.64 | WT% | XRF | |
| CAO | 1.7 | WT% | XRF | |
| NA2O | 4.48 | WT% | XRF | |
| K2O | 3.9 | WT% | XRF | |
| TIO2 | 0.37 | WT% | XRF | |
| P2O5 | 0.08 | WT% | XRF | |
| MNO | 0.05 | WT% | XRF | |
| TOTAL | 99.3 | WT% | XRF | |
| LOI | 0.31 | WT% | XRF | |
| RB | 112 | PPM | XRF | |
| SR | 135 | PPM | XRF | |
| Y | 32 | PPM | XRF | |
| ZR | 267 | PPM | XRF | |
| NB | 11 | PPM | XRF | |
| BA | 942 | PPM | XRF | |
| SC | 5.7 | PPM | INAA | |
| CR | 2 | PPM | INAA | |
| CO | 3.1 | PPM | INAA | |
| RB | 111 | PPM | INAA | |
| SR | 124 | PPM | INAA | |
| ZR | 237 | PPM | INAA | |
| SB | 0.96 | PPM | INAA | |
| CS | 6.8 | PPM | INAA | |
| BA | 918 | PPM | INAA | |
| LA | 20.8 | PPM | INAA | |
| CE | 41.9 | PPM | INAA | |
| ND | 19.7 | PPM | INAA | |
| SM | 3.71 | PPM | INAA | |
| EU | 0.783 | PPM | INAA | |
| GD | 4.2 | PPM | INAA | |
| TB | 0.648 | PPM | INAA | |
| DY | 3.8 | PPM | INAA | |
| YB | 3.21 | PPM | INAA | |
| LU | 0.517 | PPM | INAA | |
| HF | 6.62 | PPM | INAA | |
| TA | 0.772 | PPM | INAA | |
| TH | 11.3 | PPM | INAA | |
| U | 4.16 | PPM | INAA | |
| MN | 422 | PPM | INAA |