Sample 1741
NavDat sample number 53214 · RHYOLITE
Sample
| Sample ID | 1741 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.7867 |
|---|---|
| Longitude | -121.575 |
| 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 | 15.9 | WT% | XRF | |
| FEOT | 4.73 | WT% | XRF | |
| MGO | 1.52 | WT% | XRF | |
| CAO | 3.76 | WT% | XRF | |
| NA2O | 4.84 | WT% | XRF | |
| K2O | 2.51 | WT% | XRF | |
| TIO2 | 0.88 | WT% | XRF | |
| P2O5 | 0.25 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| TOTAL | 99.18 | WT% | XRF | |
| LOI | 1.01 | WT% | XRF | |
| RB | 66 | PPM | XRF | |
| SR | 369 | PPM | XRF | |
| Y | 34 | PPM | XRF | |
| ZR | 217 | PPM | XRF | |
| NB | 8 | PPM | XRF | |
| BA | 603 | PPM | XRF | |
| NI | 5 | PPM | XRF | |
| CU | 35 | PPM | XRF | |
| ZN | 68 | PPM | XRF | |
| CR | 4 | PPM | XRF | |
| SC | 13.73 | PPM | INAA | |
| CR | 2 | PPM | INAA | |
| CO | 9 | PPM | INAA | |
| ZN | 57 | PPM | INAA | |
| RB | 66 | PPM | INAA | |
| SR | 374 | PPM | INAA | |
| ZR | 196 | PPM | INAA | |
| SB | 0.32 | PPM | INAA | |
| CS | 3.39 | PPM | INAA | |
| BA | 592 | PPM | INAA | |
| LA | 18.2 | PPM | INAA | |
| CE | 37.6 | PPM | INAA | |
| ND | 19 | PPM | INAA | |
| SM | 4.65 | PPM | INAA | |
| EU | 1.14 | PPM | INAA | |
| TB | 0.68 | PPM | INAA | |
| YB | 2.43 | PPM | INAA | |
| LU | 0.375 | PPM | INAA | |
| HF | 5.13 | PPM | INAA | |
| TA | 0.649 | PPM | INAA | |
| TH | 6.43 | PPM | INAA | |
| U | 2.1 | PPM | INAA |