Sample 1730
NavDat sample number 53208 · RHYOLITE
Sample
| Sample ID | 1730 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.5992 |
|---|---|
| Longitude | -121.548 |
| 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 | 71.9 | WT% | XRF | |
| AL2O3 | 14.6 | WT% | XRF | |
| FEOT | 2.22 | WT% | XRF | |
| MGO | 0.55 | WT% | XRF | |
| CAO | 1.65 | WT% | XRF | |
| NA2O | 4.6 | WT% | XRF | |
| K2O | 3.91 | WT% | XRF | |
| TIO2 | 0.39 | WT% | XRF | |
| P2O5 | 0.09 | WT% | XRF | |
| MNO | 0.06 | WT% | XRF | |
| TOTAL | 99.28 | WT% | XRF | |
| LOI | 0.27 | WT% | XRF | |
| RB | 126 | PPM | XRF | |
| SR | 152 | PPM | XRF | |
| Y | 35 | PPM | XRF | |
| ZR | 284 | PPM | XRF | |
| NB | 9 | PPM | XRF | |
| BA | 885 | PPM | XRF | |
| NI | 1 | PPM | XRF | |
| CU | 7 | PPM | XRF | |
| ZN | 42 | PPM | XRF | |
| CR | 5 | PPM | XRF | |
| SC | 6.01 | PPM | INAA | |
| CR | 3 | PPM | INAA | |
| CO | 3.2 | PPM | INAA | |
| ZN | 37 | PPM | INAA | |
| RB | 120 | PPM | INAA | |
| SR | 148 | PPM | INAA | |
| ZR | 253 | PPM | INAA | |
| SB | 1.03 | PPM | INAA | |
| CS | 6.7 | PPM | INAA | |
| BA | 901 | PPM | INAA | |
| LA | 22.9 | PPM | INAA | |
| CE | 43.4 | PPM | INAA | |
| ND | 18.3 | PPM | INAA | |
| SM | 4.42 | PPM | INAA | |
| EU | 0.76 | PPM | INAA | |
| TB | 0.652 | PPM | INAA | |
| YB | 3.22 | PPM | INAA | |
| LU | 0.481 | PPM | INAA | |
| HF | 7.12 | PPM | INAA | |
| TA | 0.855 | PPM | INAA | |
| TH | 11.99 | PPM | INAA | |
| U | 4.31 | PPM | INAA |