Sample PK6
NavDat sample number 34011 · RHYOLITE
Sample
| Sample ID | PK6 |
|---|---|
| Alternate ID | 24 |
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | From P. Weigand |
Location
| Latitude | 35.92 |
|---|---|
| Longitude | -120.5 |
| State / province | California |
| Volcanic field | Coast Range Province CRP volcanics |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 23 | 21 | 25 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 75.96 | WT% | XRF | |
| NA2O | 3.44 | WT% | XRF | |
| K2O | 4.85 | WT% | XRF | |
| MGO | 0.1 | WT% | XRF | |
| FE2O3 | 0.77 | WT% | XRF | |
| AL2O3 | 13.88 | WT% | XRF | |
| CAO | 0.69 | WT% | XRF | |
| MNO | 0.01 | WT% | XRF | |
| P2O5 | 0.08 | WT% | XRF | |
| TIO2 | 0.04 | WT% | XRF | |
| BA | 364 | PPM | ICPMS | |
| CE | 41.4 | PPM | ICPMS | |
| DY | 4.98 | PPM | ICPMS | |
| ER | 2.64 | PPM | ICPMS | |
| EU | 0.43 | PPM | ICPMS | |
| GD | 5.45 | PPM | ICPMS | |
| HF | 16.1 | PPM | ICPMS | |
| HO | 1.02 | PPM | ICPMS | |
| LA | 20.2 | PPM | ICPMS | |
| LU | 0.34 | PPM | ICPMS | |
| NB | 35.4 | PPM | ICPMS | |
| ND | 18.9 | PPM | ICPMS | |
| PR | 5.62 | PPM | ICPMS | |
| RB | 269 | PPM | ICPMS | |
| SC | 4.36 | PPM | ICPMS | |
| SM | 5.96 | PPM | ICPMS | |
| SR | 44.9 | PPM | ICPMS | |
| TA | 5.21 | PPM | ICPMS | |
| TB | 0.882 | PPM | ICPMS | |
| TH | 20.6 | PPM | ICPMS | |
| TI | 262 | PPM | ICPMS | |
| TM | 0.37 | PPM | ICPMS | |
| U | 6.39 | PPM | ICPMS | |
| YB | 2.12 | PPM | ICPMS | |
| SR87_SR86 | 0.70981 | TIMS | ||
| RB87_SR86 | 17.254 | TIMS | ||
| ND143_ND144 | 0.512697 | TIMS | ||
| SM147_ND144 | 0.191 | TIMS |