Sample MW9731
NavDat sample number 42809 · ANDESITE
Sample
| Sample ID | MW9731 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Lava |
Location
| Latitude | 44.8 |
|---|---|
| Longitude | -110.433 |
| Location | Mt. Washburn |
| State / province | MT/WY |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 53 | 52 | 55 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 58.94 | WT% | XRF | |
| TIO2 | 0.74 | WT% | XRF | |
| AL2O3 | 17.52 | WT% | XRF | |
| FE2O3 | 6.97 | WT% | XRF | |
| MNO | 0.09 | WT% | XRF | |
| MGO | 2.92 | WT% | XRF | |
| CAO | 6.08 | WT% | XRF | |
| NA2O | 3.92 | WT% | XRF | |
| K2O | 2.11 | WT% | XRF | |
| P2O5 | 0.32 | WT% | XRF | |
| TOTAL | 99.6 | WT% | XRF | |
| BA | 1453 | PPM | XRF | |
| V | 141 | PPM | XRF | |
| CR | 7 | PPM | XRF | |
| NB | 8 | PPM | XRF | |
| NI | 3 | PPM | XRF | |
| PB | 16 | PPM | XRF | |
| RB | 38 | PPM | XRF | |
| SC | 14 | PPM | XRF | |
| SC | 14.2 | PPM | INAA | |
| CS | 1.2 | PPM | INAA | |
| SR | 953 | PPM | XRF | |
| U | 1.47 | PPM | INAA | |
| TH | 5 | PPM | XRF | |
| Y | 14 | PPM | XRF | |
| ZR | 158 | PPM | XRF | |
| LA | 47.5 | PPM | INAA | |
| CE | 90.8 | PPM | INAA | |
| ND | 30.9 | PPM | INAA | |
| SM | 5.49 | PPM | INAA | |
| EU | 1.64 | PPM | INAA | |
| TB | 0.46 | PPM | INAA | |
| YB | 1.3 | PPM | INAA | |
| LU | 0.14 | PPM | INAA | |
| HF | 3.7 | PPM | INAA | |
| SR87_SR86 | 0.706307 | MS | ||
| ND143_ND144 | 0.511475 | MS |