Sample 423
NavDat sample number 52860 · RHYOLITE
Sample
| Sample ID | 423 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.606 |
|---|---|
| Longitude | -121.687 |
| 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 | 70.9 | WT% | XRF | |
| AL2O3 | 15.3 | WT% | XRF | |
| FEOT | 2.31 | WT% | XRF | |
| MGO | 0.65 | WT% | XRF | |
| CAO | 1.84 | WT% | XRF | |
| NA2O | 4.28 | WT% | XRF | |
| K2O | 4.15 | WT% | XRF | |
| TIO2 | 0.44 | WT% | XRF | |
| P2O5 | 0.1 | WT% | XRF | |
| MNO | 0.04 | WT% | XRF | |
| TOTAL | 98.3 | WT% | XRF | |
| LOI | 0.66 | WT% | XRF | |
| RB | 127 | PPM | XRF | |
| SR | 166 | PPM | XRF | |
| Y | 43 | PPM | XRF | |
| ZR | 316 | PPM | XRF | |
| NB | 11 | PPM | XRF | |
| BA | 854 | PPM | XRF | |
| NI | 8 | PPM | XRF | |
| CU | 4 | PPM | XRF | |
| ZN | 24 | PPM | XRF | |
| CR | 0 | PPM | XRF | |
| SC | 6.5 | PPM | INAA | |
| CR | 4 | PPM | INAA | |
| CO | 3.6 | PPM | INAA | |
| ZN | 37 | PPM | INAA | |
| RB | 125 | PPM | INAA | |
| ZR | 301 | PPM | INAA | |
| SB | 1.3 | PPM | INAA | |
| CS | 6.7 | PPM | INAA | |
| BA | 812 | PPM | INAA | |
| LA | 25 | PPM | INAA | |
| CE | 48 | PPM | INAA | |
| ND | 24 | PPM | INAA | |
| SM | 4.7 | PPM | INAA | |
| EU | 0.86 | PPM | INAA | |
| GD | 4.6 | PPM | INAA | |
| TB | 0.7 | PPM | INAA | |
| TM | 0.54 | PPM | INAA | |
| YB | 3.1 | PPM | INAA | |
| LU | 0.48 | PPM | INAA | |
| HF | 7.8 | PPM | INAA | |
| TA | 0.95 | PPM | INAA | |
| TH | 12.6 | PPM | INAA | |
| U | 4.5 | PPM | INAA |