Sample MH-23
NavDat sample number 54805 · DACITE
Sample
| Sample ID | MH-23 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 45.3935 |
|---|---|
| Longitude | -121.825 |
| State / province | Oregon |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 14 | 12 | 16 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 65.34 | WT% | XRF | |
| TIO2 | 0.69 | WT% | XRF | |
| AL2O3 | 18.61 | WT% | XRF | |
| FEOT | 3.76 | WT% | XRF | |
| MNO | 0.09 | WT% | XRF | |
| MGO | 1.2 | WT% | XRF | |
| CAO | 5.05 | WT% | XRF | |
| NA2O | 3.84 | WT% | XRF | |
| K2O | 1.26 | WT% | XRF | |
| P2O5 | 0.16 | WT% | XRF | |
| TOTAL | 99.99 | WT% | XRF | |
| BA | 320 | PPM | INAA | |
| LA | 13.1 | PPM | INAA | |
| CE | 27.9 | PPM | INAA | |
| RB | 20 | PPM | INAA | |
| SR | 380 | PPM | INAA | |
| CO | 8.63 | PPM | INAA | |
| CR | 34.2 | PPM | INAA | |
| SC | 10.64 | PPM | INAA | |
| ZN | 50 | PPM | INAA |