Sample MW9745
NavDat sample number 42818 · DACITE
Sample
| Sample ID | MW9745 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| 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 | 63.55 | WT% | XRF | |
| TIO2 | 0.5 | WT% | XRF | |
| AL2O3 | 16.94 | WT% | XRF | |
| FE2O3 | 4.41 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| MGO | 2.35 | WT% | XRF | |
| CAO | 4.78 | WT% | XRF | |
| NA2O | 3.69 | WT% | XRF | |
| K2O | 2.95 | WT% | XRF | |
| P2O5 | 0.24 | WT% | XRF | |
| TOTAL | 99.49 | WT% | XRF | |
| BA | 1759 | PPM | XRF | |
| V | 79 | PPM | XRF | |
| CR | 40 | PPM | XRF | |
| NB | 8 | PPM | XRF | |
| NI | 17 | PPM | XRF | |
| PB | 23 | PPM | XRF | |
| RB | 51 | PPM | XRF | |
| SC | 13 | PPM | XRF | |
| SC | 8.9 | PPM | INAA | |
| CS | 1.4 | PPM | INAA | |
| SR | 962 | PPM | XRF | |
| TA | 0.19 | PPM | INAA | |
| U | 2 | PPM | INAA | |
| TH | 5 | PPM | XRF | |
| Y | 14 | PPM | XRF | |
| ZR | 171 | PPM | XRF | |
| LA | 56 | PPM | INAA | |
| CE | 97 | PPM | INAA | |
| ND | 33 | PPM | INAA | |
| SM | 5.5 | PPM | INAA | |
| EU | 1.54 | PPM | INAA | |
| TB | 0.41 | PPM | INAA | |
| YB | 1.2 | PPM | INAA | |
| LU | 0.17 | PPM | INAA | |
| HF | 4.3 | PPM | INAA |