Sample 1663
NavDat sample number 53172 · RHYOLITE
Sample
| Sample ID | 1663 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.3833 |
|---|---|
| Longitude | -121.74 |
| 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 | 64.4 | WT% | XRF | |
| AL2O3 | 17.2 | WT% | XRF | |
| FEOT | 4.97 | WT% | XRF | |
| MGO | 1.51 | WT% | XRF | |
| CAO | 3.69 | WT% | XRF | |
| NA2O | 4.49 | WT% | XRF | |
| K2O | 2.43 | WT% | XRF | |
| TIO2 | 0.94 | WT% | XRF | |
| P2O5 | 0.26 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| TOTAL | 96.48 | WT% | XRF | |
| LOI | 3.57 | WT% | XRF | |
| RB | 65 | PPM | XRF | |
| SR | 349 | PPM | XRF | |
| Y | 34 | PPM | XRF | |
| ZR | 237 | PPM | XRF | |
| NB | 10 | PPM | XRF | |
| BA | 610 | PPM | XRF | |
| NI | 5 | PPM | XRF | |
| CU | 28 | PPM | XRF | |
| ZN | 66 | PPM | XRF | |
| CR | 5 | PPM | XRF | |
| SC | 13.95 | PPM | INAA | |
| CR | 2 | PPM | INAA | |
| CO | 8.4 | PPM | INAA | |
| ZN | 50 | PPM | INAA | |
| RB | 64 | PPM | INAA | |
| SR | 380 | PPM | INAA | |
| ZR | 228 | PPM | INAA | |
| SB | 0.36 | PPM | INAA | |
| CS | 3.44 | PPM | INAA | |
| BA | 599 | PPM | INAA | |
| LA | 20.8 | PPM | INAA | |
| CE | 40.7 | PPM | INAA | |
| ND | 20.3 | PPM | INAA | |
| SM | 5.06 | PPM | INAA | |
| EU | 1.253 | PPM | INAA | |
| TB | 0.733 | PPM | INAA | |
| YB | 2.78 | PPM | INAA | |
| LU | 0.423 | PPM | INAA | |
| HF | 5.65 | PPM | INAA | |
| TA | 0.71 | PPM | INAA | |
| TH | 7.27 | PPM | INAA | |
| U | 2.43 | PPM | INAA |