Sample 684
NavDat sample number 52907 · RHYOLITE
Sample
| Sample ID | 684 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.6783 |
|---|---|
| Longitude | -121.647 |
| State / province | California |
| Volcanic field | Medicine Lake |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.349 | 0.029 | 0.549 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 73.4 | WT% | XRF | |
| AL2O3 | 14 | WT% | XRF | |
| FEOT | 1.71 | WT% | XRF | |
| MGO | 0.4 | WT% | XRF | |
| CAO | 1.16 | WT% | XRF | |
| NA2O | 4.17 | WT% | XRF | |
| K2O | 4.69 | WT% | XRF | |
| TIO2 | 0.31 | WT% | XRF | |
| P2O5 | 0.07 | WT% | XRF | |
| MNO | 0.03 | WT% | XRF | |
| TOTAL | 98.51 | WT% | XRF | |
| LOI | 0.32 | WT% | XRF | |
| FEOT | 1.19 | WT% | WET | |
| H2O_PLUS | 0.16 | WT% | WET | |
| H2O_MINUS | 0.08 | WT% | WET | |
| RB | 127 | PPM | XRF | |
| SR | 99 | PPM | XRF | |
| Y | 31 | PPM | XRF | |
| ZR | 254 | PPM | XRF | |
| NB | 9 | PPM | XRF | |
| BA | 815 | PPM | XRF | |
| SC | 5.4 | PPM | INAA | |
| CR | 1 | PPM | INAA | |
| CO | 2.2 | PPM | INAA | |
| RB | 141 | PPM | INAA | |
| SR | 88.8 | PPM | INAA | |
| ZR | 246 | PPM | INAA | |
| SB | 1.47 | PPM | INAA | |
| CS | 9.19 | PPM | INAA | |
| BA | 860 | PPM | INAA | |
| LA | 25.7 | PPM | INAA | |
| CE | 54.5 | PPM | INAA | |
| ND | 21.8 | PPM | INAA | |
| SM | 4.53 | PPM | INAA | |
| EU | 0.717 | PPM | INAA | |
| GD | 5.53 | PPM | INAA | |
| TB | 0.788 | PPM | INAA | |
| DY | 5.25 | PPM | INAA | |
| TM | 0.56 | PPM | INAA | |
| YB | 3.68 | PPM | INAA | |
| LU | 0.548 | PPM | INAA | |
| HF | 7.6 | PPM | INAA | |
| TA | 1.03 | PPM | INAA | |
| TH | 15.3 | PPM | INAA | |
| U | 5.47 | PPM | INAA | |
| MN | 309 | PPM | INAA |