Sample 1650
NavDat sample number 53168 · RHYOLITE
Sample
| Sample ID | 1650 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.6638 |
|---|---|
| Longitude | -121.605 |
| 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 | 64.9 | WT% | XRF | |
| AL2O3 | 16.1 | WT% | XRF | |
| FEOT | 4.92 | WT% | XRF | |
| MGO | 1.62 | WT% | XRF | |
| CAO | 3.96 | WT% | XRF | |
| NA2O | 4.81 | WT% | XRF | |
| K2O | 2.44 | WT% | XRF | |
| TIO2 | 0.91 | WT% | XRF | |
| P2O5 | 0.24 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| TOTAL | 98.7 | WT% | XRF | |
| LOI | 0.44 | WT% | XRF | |
| RB | 70 | PPM | XRF | |
| SR | 390 | PPM | XRF | |
| Y | 32 | PPM | XRF | |
| ZR | 219 | PPM | XRF | |
| NB | 8 | PPM | XRF | |
| BA | 620 | PPM | XRF | |
| NI | 4 | PPM | XRF | |
| CU | 30 | PPM | XRF | |
| ZN | 69 | PPM | XRF | |
| CR | 7 | PPM | XRF | |
| SC | 15.3 | PPM | INAA | |
| CR | 3 | PPM | INAA | |
| CO | 10.2 | PPM | INAA | |
| ZN | 73 | PPM | INAA | |
| RB | 67 | PPM | INAA | |
| SR | 432 | PPM | INAA | |
| ZR | 197 | PPM | INAA | |
| SB | 0.34 | PPM | INAA | |
| CS | 3.67 | PPM | INAA | |
| BA | 600 | PPM | INAA | |
| LA | 19.5 | PPM | INAA | |
| CE | 40.5 | PPM | INAA | |
| ND | 19.9 | PPM | INAA | |
| SM | 5.03 | PPM | INAA | |
| EU | 1.21 | PPM | INAA | |
| TB | 0.723 | PPM | INAA | |
| YB | 2.8 | PPM | INAA | |
| LU | 0.407 | PPM | INAA | |
| HF | 5.34 | PPM | INAA | |
| TA | 0.68 | PPM | INAA | |
| TH | 6.78 | PPM | INAA | |
| U | 2.54 | PPM | INAA |