Sample 16
NavDat sample number 18139 · TRACHYDACITE
Sample
| Sample ID | 16 |
|---|---|
| Rock name | TRACHYDACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 35.1494 |
|---|---|
| Longitude | -115.383 |
| 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 | 61.79 | WT% | XRF | |
| AL2O3 | 17.38 | WT% | XRF | |
| MGO | 2.09 | WT% | XRF | |
| CAO | 3.2 | WT% | XRF | |
| NA2O | 3.91 | WT% | INAA | |
| K2O | 3.95 | WT% | INAA | |
| FE2O3 | 5.35 | WT% | XRF | |
| TIO2 | 1.21 | WT% | XRF | |
| MNO | 0.11 | WT% | XRF | |
| P2O5 | 0.27 | WT% | XRF | |
| SC | 13.25 | PPM | INAA | |
| CR | 9.6 | PPM | INAA | |
| CO | 9.4 | PPM | INAA | |
| ZR | 540 | PPM | INAA | |
| SB | 0.28 | PPM | INAA | |
| LA | 50 | PPM | INAA | |
| CE | 86 | PPM | INAA | |
| ND | 46.4 | PPM | INAA | |
| SM | 7.9 | PPM | INAA | |
| EU | 2.84 | PPM | INAA | |
| TB | 0.85 | PPM | INAA | |
| DY | 4.5 | PPM | INAA | |
| TM | 1 | PPM | INAA | |
| YB | 2 | PPM | INAA | |
| LU | 0.33 | PPM | INAA | |
| HF | 8 | PPM | INAA | |
| TA | 0.76 | PPM | INAA | |
| TH | 5.1 | PPM | INAA | |
| U | 0.806 | PPM | INAA | |
| SR87_SR86 | 0.70882 | MS | ||
| ND143_ND144 | 0.51149 | MS |