Sample MW929
NavDat sample number 42813 · ANDESITE
Sample
| Sample ID | MW929 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Lava |
Location
| Latitude | 44.7833 |
|---|---|
| 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 | 61.04 | WT% | XRF | |
| TIO2 | 0.54 | WT% | XRF | |
| AL2O3 | 14.42 | WT% | XRF | |
| FE2O3 | 6.12 | WT% | XRF | |
| MNO | 0.08 | WT% | XRF | |
| MGO | 6.08 | WT% | XRF | |
| CAO | 5.27 | WT% | XRF | |
| NA2O | 3.5 | WT% | XRF | |
| K2O | 2.08 | WT% | XRF | |
| P2O5 | 0.17 | WT% | XRF | |
| TOTAL | 99.31 | WT% | XRF | |
| BA | 1286 | PPM | XRF | |
| V | 118 | PPM | XRF | |
| CR | 360 | PPM | XRF | |
| NB | 5 | PPM | XRF | |
| NI | 157 | PPM | XRF | |
| PB | 15 | PPM | XRF | |
| RB | 38 | PPM | XRF | |
| SC | 16 | PPM | XRF | |
| SC | 15.4 | PPM | INAA | |
| CS | 0.6 | PPM | INAA | |
| SR | 694 | PPM | XRF | |
| TA | 0.26 | PPM | INAA | |
| U | 0.84 | PPM | INAA | |
| TH | 4 | PPM | XRF | |
| Y | 11 | PPM | XRF | |
| ZR | 134 | PPM | XRF | |
| LA | 33.7 | PPM | INAA | |
| CE | 59.4 | PPM | INAA | |
| ND | 18 | PPM | INAA | |
| SM | 3.48 | PPM | INAA | |
| EU | 1.16 | PPM | INAA | |
| TB | 0.31 | PPM | INAA | |
| YB | 1.04 | PPM | INAA | |
| LU | 0.14 | PPM | INAA | |
| HF | 3.28 | PPM | INAA | |
| SR87_SR86 | 0.707114 | MS | ||
| ND143_ND144 | 0.511403 | MS |