Sample US92
NavDat sample number 30947 · SHOSHONITE
Sample
| Sample ID | US92 |
|---|---|
| Rock name | SHOSHONITE |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
Location
| Latitude | 40.35 |
|---|---|
| Longitude | -106.7 |
| State / province | Colorado |
| Location comment | 1.4 km west of entrance to Walton Creeek campground |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 22.8 | 22.5 | 23.1 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 55.03 | WT% | XRF | |
| TIO2 | 1.48 | WT% | XRF | |
| AL2O3 | 16.04 | WT% | XRF | |
| FE2O3 | 9.05 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| MGO | 4 | WT% | XRF | |
| CAO | 7.18 | WT% | XRF | |
| NA2O | 4.06 | WT% | XRF | |
| K2O | 2.18 | WT% | XRF | |
| P2O5 | 0.52 | WT% | XRF | |
| LOI | 0.51 | WT% | XRF | |
| BA | 1468 | PPM | INAA | |
| CR | 120 | PPM | INAA | |
| HF | 5.99 | PPM | INAA | |
| NB | 24.6 | PPM | INAA | |
| NI | 79 | PPM | INAA | |
| RB | 26 | PPM | INAA | |
| SR | 1190 | PPM | INAA | |
| TA | 1.68 | PPM | INAA | |
| TH | 8.7 | PPM | INAA | |
| U | 1.9 | PPM | INAA | |
| V | 149 | PPM | INAA | |
| W | 2.3 | PPM | INAA | |
| Y | 22.1 | PPM | INAA | |
| ZN | 91 | PPM | INAA | |
| ZR | 173 | PPM | INAA | |
| LA | 67 | PPM | INAA | |
| CE | 125 | PPM | INAA | |
| ND | 67 | PPM | INAA | |
| SM | 10.43 | PPM | INAA | |
| EU | 2.89 | PPM | INAA | |
| GD | 9.9 | PPM | INAA | |
| TB | 0.71 | PPM | INAA | |
| YB | 1.16 | PPM | INAA | |
| LU | 0.22 | PPM | INAA |