Sample 9
NavDat sample number 18132 · TRACHYTE
Sample
| Sample ID | 9 |
|---|---|
| Rock name | TRACHYTE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 35.208 |
|---|---|
| Longitude | -115.358 |
| 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 | 64.56 | WT% | XRF | |
| AL2O3 | 20.72 | WT% | XRF | |
| MGO | 1.32 | WT% | XRF | |
| CAO | 1.89 | WT% | XRF | |
| NA2O | 2.09 | WT% | INAA | |
| K2O | 3.55 | WT% | INAA | |
| FE2O3 | 3.52 | WT% | XRF | |
| TIO2 | 0.95 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| P2O5 | 0.1 | WT% | XRF | |
| SC | 11.6 | PPM | INAA | |
| CR | 9.4 | PPM | INAA | |
| CO | 1.9 | PPM | INAA | |
| ARSENIC | 1.9 | PPM | INAA | |
| BR | 1.51 | PPM | INAA | |
| ZR | 530 | PPM | INAA | |
| SB | 0.35 | PPM | INAA | |
| LA | 144 | PPM | INAA | |
| CE | 273 | PPM | INAA | |
| ND | 109 | PPM | INAA | |
| SM | 14 | PPM | INAA | |
| EU | 4.17 | PPM | INAA | |
| TB | 1.2 | PPM | INAA | |
| DY | 7.4 | PPM | INAA | |
| TM | 3.8 | PPM | INAA | |
| YB | 3 | PPM | INAA | |
| LU | 0.5 | PPM | INAA | |
| HF | 12 | PPM | INAA | |
| TA | 1.2 | PPM | INAA | |
| TH | 9.9 | PPM | INAA | |
| U | 2.22 | PPM | INAA | |
| SR87_SR86 | 0.71036 | MS | ||
| ND143_ND144 | 0.51143 | MS |