Sample MH-16
NavDat sample number 54800 · DACITE
Sample
| Sample ID | MH-16 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 45.394 |
|---|---|
| Longitude | -121.83 |
| 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 | 64.09 | WT% | XRF | |
| TIO2 | 0.62 | WT% | XRF | |
| AL2O3 | 17.58 | WT% | XRF | |
| FEOT | 4.56 | WT% | XRF | |
| MNO | 0.08 | WT% | XRF | |
| MGO | 2.61 | WT% | XRF | |
| CAO | 5.95 | WT% | XRF | |
| NA2O | 3.35 | WT% | XRF | |
| K2O | 1.03 | WT% | XRF | |
| P2O5 | 0.13 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| BA | 240 | PPM | INAA | |
| LA | 9.7 | PPM | INAA | |
| CE | 21.3 | PPM | INAA | |
| RB | 20 | PPM | INAA | |
| SR | 530 | PPM | INAA | |
| CO | 17.1 | PPM | INAA | |
| CR | 81 | PPM | INAA | |
| SC | 10.87 | PPM | INAA | |
| ZN | 46 | PPM | INAA |