Sample 1727
NavDat sample number 53205 · RHYOLITE
Sample
| Sample ID | 1727 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.6117 |
|---|---|
| Longitude | -121.47 |
| 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 | 63.8 | WT% | XRF | |
| AL2O3 | 16.3 | WT% | XRF | |
| FEOT | 5.39 | WT% | XRF | |
| MGO | 1.78 | WT% | XRF | |
| CAO | 4.37 | WT% | XRF | |
| NA2O | 4.83 | WT% | XRF | |
| K2O | 2.22 | WT% | XRF | |
| TIO2 | 0.94 | WT% | XRF | |
| P2O5 | 0.24 | WT% | XRF | |
| MNO | 0.11 | WT% | XRF | |
| TOTAL | 99.69 | WT% | XRF | |
| LOI | 0.17 | WT% | XRF | |
| RB | 62 | PPM | XRF | |
| SR | 432 | PPM | XRF | |
| Y | 35 | PPM | XRF | |
| ZR | 212 | PPM | XRF | |
| NB | 11 | PPM | XRF | |
| BA | 565 | PPM | XRF | |
| NI | 4 | PPM | XRF | |
| CU | 49 | PPM | XRF | |
| ZN | 61 | PPM | XRF | |
| CR | 9 | PPM | XRF | |
| SC | 16.1 | PPM | INAA | |
| CR | 4 | PPM | INAA | |
| CO | 11.8 | PPM | INAA | |
| ZN | 56 | PPM | INAA | |
| RB | 55 | PPM | INAA | |
| SR | 424 | PPM | INAA | |
| ZR | 220 | PPM | INAA | |
| SB | 0.25 | PPM | INAA | |
| CS | 2.7 | PPM | INAA | |
| BA | 559 | PPM | INAA | |
| LA | 18 | PPM | INAA | |
| CE | 35.6 | PPM | INAA | |
| ND | 18.3 | PPM | INAA | |
| SM | 4.59 | PPM | INAA | |
| EU | 1.15 | PPM | INAA | |
| TB | 0.674 | PPM | INAA | |
| YB | 2.49 | PPM | INAA | |
| LU | 0.363 | PPM | INAA | |
| HF | 4.71 | PPM | INAA | |
| TA | 0.58 | PPM | INAA | |
| TH | 5.81 | PPM | INAA | |
| U | 1.89 | PPM | INAA |