Sample 19
NavDat sample number 52803 · RHYOLITE
Sample
| Sample ID | 19 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Collected by | Donnelly-Nolan |
Location
| Latitude | 41.6795 |
|---|---|
| Longitude | -121.59 |
| State / province | California |
| Volcanic field | Medicine Lake |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.335 | 0.029 | 0.549 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 72.6 | WT% | XRF | |
| AL2O3 | 14.3 | WT% | XRF | |
| FEOT | 2.14 | WT% | XRF | |
| MGO | 0.39 | WT% | XRF | |
| CAO | 1.22 | WT% | XRF | |
| NA2O | 4.42 | WT% | XRF | |
| K2O | 4.36 | WT% | XRF | |
| TIO2 | 0.42 | WT% | XRF | |
| P2O5 | 0.06 | WT% | XRF | |
| MNO | 0.04 | WT% | XRF | |
| TOTAL | 99.5 | WT% | XRF | |
| LOI | 0.49 | WT% | XRF | |
| FEOT | 1.53 | WT% | WET | |
| H2O_PLUS | 0.34 | WT% | WET | |
| H2O_MINUS | 0.2 | WT% | WET | |
| CO2 | 0.07 | WT% | WET | |
| RB | 117 | PPM | XRF | |
| SR | 105 | PPM | XRF | |
| Y | 37 | PPM | XRF | |
| ZR | 343 | PPM | XRF | |
| NB | 15 | PPM | XRF | |
| BA | 894 | PPM | XRF | |
| NI | 10 | PPM | XRF | |
| CU | 12 | PPM | XRF | |
| ZN | 31 | PPM | XRF | |
| CR | 4 | PPM | XRF | |
| SC | 6.5 | PPM | INAA | |
| CR | 1 | PPM | INAA | |
| CO | 2 | PPM | INAA | |
| RB | 112 | PPM | INAA | |
| ZR | 308 | PPM | INAA | |
| SB | 0.92 | PPM | INAA | |
| CS | 6.93 | PPM | INAA | |
| BA | 856 | PPM | INAA | |
| LA | 24.2 | PPM | INAA | |
| CE | 48.1 | PPM | INAA | |
| ND | 23.8 | PPM | INAA | |
| SM | 4.76 | PPM | INAA | |
| EU | 0.788 | PPM | INAA | |
| GD | 4.45 | PPM | INAA | |
| TB | 0.783 | PPM | INAA | |
| DY | 5.21 | PPM | INAA | |
| TM | 0.54 | PPM | INAA | |
| YB | 3.54 | PPM | INAA | |
| LU | 0.563 | PPM | INAA | |
| HF | 7.58 | PPM | INAA | |
| TA | 0.946 | PPM | INAA | |
| TH | 11 | PPM | INAA | |
| U | 4.47 | PPM | INAA | |
| MN | 364 | PPM | INAA |