Sample 8-Dec
NavDat sample number 10342 · RHYOLITE
Sample
| Sample ID | 8-Dec |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 36.0793 |
|---|---|
| Longitude | -117.859 |
| State / province | California |
| Volcanic field | Coso |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.235 | 0.2115 | 0.2585 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 54.7 | WT% | XRF | |
| AL2O3 | 17.1 | WT% | XRF | |
| FE2O3 | 6.06 | WT% | XRF | |
| FEO | 2.4 | WT% | XRF | |
| MGO | 3.46 | WT% | XRF | |
| CAO | 6.66 | WT% | XRF | |
| NA2O | 3.98 | WT% | XRF | |
| K2O | 2.09 | WT% | XRF | |
| H2O_PLUS | 0.18 | WT% | XRF | |
| H2O_MINUS | 0.19 | WT% | XRF | |
| TIO2 | 1.77 | WT% | XRF | |
| P2O5 | 0.33 | WT% | XRF | |
| MNO | 0.11 | WT% | XRF | |
| CO2 | 0.08 | WT% | XRF | |
| BA | 750 | PPM | NAA | |
| CO | 24 | PPM | NAA | |
| CR | 12 | PPM | NAA | |
| HF | 4.4 | PPM | NAA | |
| TA | 1.1 | PPM | NAA | |
| TH | 3.5 | PPM | NAA | |
| U | 2 | PPM | NAA | |
| ZN | 80 | PPM | NAA | |
| ZR | 180 | PPM | NAA | |
| SC | 18.1 | PPM | NAA | |
| LA | 26 | PPM | NAA | |
| CE | 48 | PPM | NAA | |
| ND | 28 | PPM | NAA | |
| SM | 5 | PPM | NAA | |
| EU | 1.35 | PPM | NAA | |
| YB | 2.2 | PPM | NAA | |
| LU | 0.29 | PPM | NAA |