Sample 155
NavDat sample number 52817 · RHYOLITE
Sample
| Sample ID | 155 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.6617 |
|---|---|
| Longitude | -121.457 |
| State / province | California |
| Volcanic field | Medicine Lake |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.437 | 0.029 | 0.549 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 77.2 | WT% | XRF | |
| AL2O3 | 12.5 | WT% | XRF | |
| FEOT | 1.05 | WT% | XRF | |
| MGO | 0.06 | WT% | XRF | |
| CAO | 0.4 | WT% | XRF | |
| NA2O | 4.23 | WT% | XRF | |
| K2O | 4.47 | WT% | XRF | |
| TIO2 | 0.03 | WT% | XRF | |
| P2O5 | 0 | WT% | XRF | |
| MNO | 0.03 | WT% | XRF | |
| TOTAL | 99.09 | WT% | XRF | |
| LOI | 0.63 | WT% | XRF | |
| NA2O | 4.44 | WT% | FPHOT | |
| K2O | 4.54 | WT% | FPHOT | |
| FEOT | 0.62 | WT% | WET | |
| H2O_PLUS | 0.32 | WT% | WET | |
| H2O_MINUS | 0.14 | WT% | WET | |
| CO2 | 0.03 | WT% | WET | |
| RB | 147 | PPM | XRF | |
| SR | 13 | PPM | XRF | |
| Y | 61 | PPM | XRF | |
| ZR | 147 | PPM | XRF | |
| NB | 18 | PPM | XRF | |
| BA | 35 | PPM | XRF | |
| ZN | 80 | PPM | XRF | |
| SC | 3.6 | PPM | INAA | |
| CR | 1 | PPM | INAA | |
| CO | 0.1 | PPM | INAA | |
| ZN | 65 | PPM | INAA | |
| RB | 153 | PPM | INAA | |
| ZR | 142 | PPM | INAA | |
| SB | 3.23 | PPM | INAA | |
| CS | 11.05 | PPM | INAA | |
| BA | 30 | PPM | INAA | |
| LA | 18.2 | PPM | INAA | |
| CE | 45.9 | PPM | INAA | |
| ND | 28.8 | PPM | INAA | |
| SM | 8.09 | PPM | INAA | |
| EU | 0.109 | PPM | INAA | |
| GD | 8.75 | PPM | INAA | |
| TB | 1.64 | PPM | INAA | |
| DY | 10.9 | PPM | INAA | |
| TM | 1.08 | PPM | INAA | |
| YB | 6.83 | PPM | INAA | |
| LU | 1.04 | PPM | INAA | |
| HF | 6.56 | PPM | INAA | |
| TA | 1.47 | PPM | INAA | |
| TH | 13.5 | PPM | INAA | |
| U | 4.91 | PPM | INAA | |
| MN | 322 | PPM | INAA |