Sample 12
NavDat sample number 18135 · RHYOLITE
Sample
| Sample ID | 12 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 35.1987 |
|---|---|
| Longitude | -115.397 |
| State / province | California |
| Volcanic field | Woods Mountains Volcanic Center |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 15.8 | 14.22 | 17.38 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 73.88 | WT% | XRF | |
| AL2O3 | 13.76 | WT% | XRF | |
| MGO | 0.22 | WT% | XRF | |
| CAO | 0.32 | WT% | XRF | |
| NA2O | 2.52 | WT% | INAA | |
| K2O | 5.79 | WT% | INAA | |
| FE2O3 | 1.68 | WT% | XRF | |
| TIO2 | 0.25 | WT% | XRF | |
| MNO | 0.15 | WT% | XRF | |
| P2O5 | 0.01 | WT% | XRF | |
| SC | 3.3 | PPM | INAA | |
| CR | 5.7 | PPM | INAA | |
| NI | 51 | PPM | INAA | |
| ARSENIC | 2.6 | PPM | INAA | |
| BR | 3.6 | PPM | INAA | |
| ZR | 490 | PPM | INAA | |
| SB | 0.54 | PPM | INAA | |
| LA | 45.6 | PPM | INAA | |
| CE | 104 | PPM | INAA | |
| ND | 47 | PPM | INAA | |
| SM | 10.4 | PPM | INAA | |
| EU | 0.7 | PPM | INAA | |
| TB | 1.4 | PPM | INAA | |
| DY | 6.4 | PPM | INAA | |
| TM | 2.3 | PPM | INAA | |
| YB | 4.4 | PPM | INAA | |
| LU | 0.74 | PPM | INAA | |
| HF | 12 | PPM | INAA | |
| TA | 2.43 | PPM | INAA | |
| TH | 19.4 | PPM | INAA | |
| U | 3.53 | PPM | INAA | |
| SR87_SR86 | 0.72638 | MS | ||
| ND143_ND144 | 0.51147 | MS |