Sample 8
NavDat sample number 18131 · TRACHYTE
Sample
| Sample ID | 8 |
|---|---|
| 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 | 63.74 | WT% | XRF | |
| AL2O3 | 18.03 | WT% | XRF | |
| MGO | 0.63 | WT% | XRF | |
| CAO | 1.47 | WT% | XRF | |
| NA2O | 5.48 | WT% | INAA | |
| K2O | 5.59 | WT% | INAA | |
| FE2O3 | 3.08 | WT% | XRF | |
| TIO2 | 0.78 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| P2O5 | 0.1 | WT% | XRF | |
| SC | 8.7 | PPM | INAA | |
| CR | 8.6 | PPM | INAA | |
| CO | 0.7 | PPM | INAA | |
| NI | 76 | PPM | INAA | |
| ARSENIC | 5.7 | PPM | INAA | |
| ZR | 92 | PPM | INAA | |
| SB | 0.64 | PPM | INAA | |
| LA | 106 | PPM | INAA | |
| CE | 164 | PPM | INAA | |
| ND | 71 | PPM | INAA | |
| SM | 8.7 | PPM | INAA | |
| EU | 3.8 | PPM | INAA | |
| TB | 0.73 | PPM | INAA | |
| TM | 1.4 | PPM | INAA | |
| YB | 2 | PPM | INAA | |
| LU | 0.33 | PPM | INAA | |
| HF | 8.7 | PPM | INAA | |
| TH | 7.1 | PPM | INAA | |
| U | 1.54 | PPM | INAA | |
| SR87_SR86 | 0.71042 | MS | ||
| ND143_ND144 | 0.51148 | MS |