Sample MW9719
NavDat sample number 42811 · ANDESITE
Sample
| Sample ID | MW9719 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Lava |
Location
| Latitude | 44.7833 |
|---|---|
| Longitude | -110.45 |
| 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 | 59.32 | WT% | XRF | |
| TIO2 | 0.74 | WT% | XRF | |
| AL2O3 | 17.86 | WT% | XRF | |
| FE2O3 | 7.03 | WT% | XRF | |
| MNO | 0.11 | WT% | XRF | |
| MGO | 2.53 | WT% | XRF | |
| CAO | 5.78 | WT% | XRF | |
| NA2O | 3.83 | WT% | XRF | |
| K2O | 2.16 | WT% | XRF | |
| P2O5 | 0.25 | WT% | XRF | |
| TOTAL | 99.62 | WT% | XRF | |
| BA | 1320 | PPM | XRF | |
| V | 145 | PPM | XRF | |
| CR | 11 | PPM | XRF | |
| NB | 6 | PPM | XRF | |
| NI | 11 | PPM | XRF | |
| PB | 14 | PPM | XRF | |
| RB | 40 | PPM | XRF | |
| SC | 15 | PPM | XRF | |
| SC | 13.5 | PPM | INAA | |
| CS | 1.6 | PPM | INAA | |
| SR | 748 | PPM | XRF | |
| U | 1 | PPM | INAA | |
| TH | 6 | PPM | XRF | |
| Y | 15 | PPM | XRF | |
| ZR | 152 | PPM | XRF | |
| LA | 36 | PPM | INAA | |
| CE | 63 | PPM | INAA | |
| ND | 22 | PPM | INAA | |
| SM | 4.8 | PPM | INAA | |
| EU | 1.48 | PPM | INAA | |
| YB | 1.7 | PPM | INAA | |
| LU | 0.22 | PPM | INAA | |
| HF | 3.9 | PPM | INAA |