Sample 325
NavDat sample number 53377 · RHYOLITE
Sample
| Sample ID | 325 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.785 |
|---|---|
| Longitude | -121.617 |
| State / province | California |
| Volcanic field | Medicine Lake |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 1.81 | 0.583 | 3.04 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 72.7 | WT% | XRF | |
| AL2O3 | 14.7 | WT% | XRF | |
| FEOT | 2.09 | WT% | XRF | |
| MGO | 0.56 | WT% | XRF | |
| CAO | 1.58 | WT% | XRF | |
| NA2O | 4.15 | WT% | XRF | |
| K2O | 3.87 | WT% | XRF | |
| TIO2 | 0.28 | WT% | XRF | |
| P2O5 | 0.07 | WT% | XRF | |
| MNO | 0.05 | WT% | XRF | |
| TOTAL | 96.96 | WT% | XRF | |
| LOI | 3 | WT% | XRF | |
| FEOT | 1.22 | WT% | WET | |
| H2O_PLUS | 2.43 | WT% | WET | |
| H2O_MINUS | 0.44 | WT% | WET | |
| CO2 | 0.06 | WT% | WET | |
| RB | 97 | PPM | XRF | |
| SR | 181 | PPM | XRF | |
| Y | 22 | PPM | XRF | |
| ZR | 164 | PPM | XRF | |
| NB | 8 | PPM | XRF | |
| BA | 793 | PPM | XRF | |
| SC | 4.6 | PPM | INAA | |
| CR | 2 | PPM | INAA | |
| CO | 2.2 | PPM | INAA | |
| RB | 91 | PPM | INAA | |
| SR | 161 | PPM | INAA | |
| ZR | 166 | PPM | INAA | |
| SB | 0.52 | PPM | INAA | |
| CS | 5.2 | PPM | INAA | |
| BA | 767 | PPM | INAA | |
| LA | 20.9 | PPM | INAA | |
| CE | 40.1 | PPM | INAA | |
| ND | 18.8 | PPM | INAA | |
| SM | 4.04 | PPM | INAA | |
| EU | 0.681 | PPM | INAA | |
| GD | 3.63 | PPM | INAA | |
| TB | 0.565 | PPM | INAA | |
| DY | 3.78 | PPM | INAA | |
| TM | 0.39 | PPM | INAA | |
| YB | 2.43 | PPM | INAA | |
| LU | 0.403 | PPM | INAA | |
| HF | 4.62 | PPM | INAA | |
| TA | 0.732 | PPM | INAA | |
| TH | 9.25 | PPM | INAA | |
| U | 3.52 | PPM | INAA | |
| MN | 497 | PPM | INAA |