Sample 1515
NavDat sample number 53117 · RHYOLITE
Sample
| Sample ID | 1515 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.589 |
|---|---|
| Longitude | -121.616 |
| 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 | 65.5 | WT% | XRF | |
| AL2O3 | 16.1 | WT% | XRF | |
| FEOT | 4.78 | WT% | XRF | |
| MGO | 1.47 | WT% | XRF | |
| CAO | 3.58 | WT% | XRF | |
| NA2O | 4.74 | WT% | XRF | |
| K2O | 2.62 | WT% | XRF | |
| TIO2 | 0.89 | WT% | XRF | |
| P2O5 | 0.24 | WT% | XRF | |
| MNO | 0.09 | WT% | XRF | |
| TOTAL | 97.95 | WT% | XRF | |
| LOI | 1.33 | WT% | XRF | |
| RB | 59 | PPM | XRF | |
| SR | 357 | PPM | XRF | |
| Y | 32 | PPM | XRF | |
| ZR | 221 | PPM | XRF | |
| NB | 7 | PPM | XRF | |
| BA | 625 | PPM | XRF | |
| NI | 3 | PPM | XRF | |
| CU | 30 | PPM | XRF | |
| ZN | 83 | PPM | XRF | |
| CR | 0 | PPM | XRF | |
| SC | 13.94 | PPM | INAA | |
| CR | -2 | PPM | INAA | |
| CO | 9.5 | PPM | INAA | |
| ZN | 54 | PPM | INAA | |
| RB | 68 | PPM | INAA | |
| SR | 417 | PPM | INAA | |
| ZR | 228 | PPM | INAA | |
| SB | 0.32 | PPM | INAA | |
| CS | 2.36 | PPM | INAA | |
| BA | 660 | PPM | INAA | |
| LA | 22.4 | PPM | INAA | |
| CE | 41.3 | PPM | INAA | |
| ND | 22 | PPM | INAA | |
| SM | 5.77 | PPM | INAA | |
| EU | 1.36 | PPM | INAA | |
| TB | 0.981 | PPM | INAA | |
| YB | 3.82 | PPM | INAA | |
| LU | 0.54 | PPM | INAA | |
| HF | 5.28 | PPM | INAA | |
| TA | 0.682 | PPM | INAA | |
| TH | 6.75 | PPM | INAA | |
| U | 2.16 | PPM | INAA |