Sample US91
NavDat sample number 30946 · SHOSHONITE
Sample
| Sample ID | US91 |
|---|---|
| Rock name | SHOSHONITE |
| Rock type | VOLCANIC |
| Composition | MAFIC |
| Material | IGNEOUS |
Location
| Latitude | 40.35 |
|---|---|
| Longitude | -106.7 |
| State / province | Colorado |
| Location comment | entrance of Walton Creek 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 | 53.45 | WT% | XRF | |
| TIO2 | 1.58 | WT% | XRF | |
| AL2O3 | 15.07 | WT% | XRF | |
| FE2O3 | 9.88 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| MGO | 5.51 | WT% | XRF | |
| CAO | 7.99 | WT% | XRF | |
| NA2O | 3.72 | WT% | XRF | |
| K2O | 1.91 | WT% | XRF | |
| P2O5 | 0.55 | WT% | XRF | |
| LOI | 0.63 | WT% | XRF | |
| BA | 1350 | PPM | INAA | |
| CR | 178 | PPM | INAA | |
| HF | 4.2 | PPM | INAA | |
| NB | 23.3 | PPM | INAA | |
| NI | 120 | PPM | INAA | |
| RB | 29 | PPM | INAA | |
| SC | 20.5 | PPM | INAA | |
| SR | 1035 | PPM | INAA | |
| TA | 1.19 | PPM | INAA | |
| TH | 5.7 | PPM | INAA | |
| U | 1.1 | PPM | INAA | |
| V | 164 | PPM | INAA | |
| W | 4.3 | PPM | INAA | |
| Y | 22 | PPM | INAA | |
| ZN | 83 | PPM | INAA | |
| ZR | 154 | PPM | INAA | |
| LA | 45 | PPM | INAA | |
| CE | 98 | PPM | INAA | |
| ND | 45 | PPM | INAA | |
| SM | 7.6 | PPM | INAA | |
| EU | 2.19 | PPM | INAA | |
| GD | 6.2 | PPM | INAA | |
| TB | 0.93 | PPM | INAA | |
| YB | 1.73 | PPM | INAA | |
| LU | 0.24 | PPM | INAA | |
| SR87_SR86 | 0.704357 | MS | ||
| ND143_ND144 | 0.512429 | MS |