Sample MW9744
NavDat sample number 42816 · ANDESITE
Sample
| Sample ID | MW9744 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Lava |
Location
| Latitude | 44.8 |
|---|---|
| Longitude | -110.417 |
| 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 | 61.86 | WT% | XRF | |
| TIO2 | 0.57 | WT% | XRF | |
| AL2O3 | 16.13 | WT% | XRF | |
| FE2O3 | 5.57 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| MGO | 3.97 | WT% | XRF | |
| CAO | 5.5 | WT% | XRF | |
| NA2O | 3.97 | WT% | XRF | |
| K2O | 2.15 | WT% | XRF | |
| P2O5 | 0.2 | WT% | XRF | |
| TOTAL | 100.02 | WT% | XRF | |
| BA | 1279 | PPM | XRF | |
| V | 110 | PPM | XRF | |
| CR | 142 | PPM | XRF | |
| NB | 5 | PPM | XRF | |
| NI | 60 | PPM | XRF | |
| PB | 18 | PPM | XRF | |
| RB | 45 | PPM | XRF | |
| SC | 18 | PPM | XRF | |
| SR | 785 | PPM | XRF | |
| TH | 4 | PPM | XRF | |
| Y | 12 | PPM | XRF | |
| ZR | 140 | PPM | XRF |