Sample MW9741
NavDat sample number 42814 · ANDESITE
Sample
| Sample ID | MW9741 |
|---|---|
| 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 | 61.6 | WT% | XRF | |
| TIO2 | 0.46 | WT% | XRF | |
| AL2O3 | 14.36 | WT% | XRF | |
| FE2O3 | 5.09 | WT% | XRF | |
| MNO | 0.08 | WT% | XRF | |
| MGO | 5.94 | WT% | XRF | |
| CAO | 4.79 | WT% | XRF | |
| NA2O | 3.46 | WT% | XRF | |
| K2O | 2.62 | WT% | XRF | |
| P2O5 | 0.16 | WT% | XRF | |
| TOTAL | 98.56 | WT% | XRF | |
| BA | 1329 | PPM | XRF | |
| V | 88 | PPM | XRF | |
| CR | 402 | PPM | XRF | |
| NB | 4 | PPM | XRF | |
| NI | 235 | PPM | XRF | |
| PB | 19 | PPM | XRF | |
| RB | 33 | PPM | XRF | |
| SC | 13 | PPM | XRF | |
| SR | 817 | PPM | XRF | |
| TH | 1 | PPM | XRF | |
| Y | 9 | PPM | XRF | |
| ZR | 124 | PPM | XRF |