Sample MH-21
NavDat sample number 54803 · DACITE
Sample
| Sample ID | MH-21 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 45.3945 |
|---|---|
| Longitude | -121.826 |
| 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 | 64.75 | WT% | XRF | |
| TIO2 | 0.67 | WT% | XRF | |
| AL2O3 | 18.08 | WT% | XRF | |
| FEOT | 4.63 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| MGO | 2.38 | WT% | XRF | |
| CAO | 5.03 | WT% | XRF | |
| NA2O | 3.03 | WT% | XRF | |
| K2O | 1.24 | WT% | XRF | |
| P2O5 | 0.12 | WT% | XRF | |
| TOTAL | 99.99 | WT% | XRF | |
| BA | 360 | PPM | INAA | |
| LA | 14.2 | PPM | INAA | |
| CE | 28.2 | PPM | INAA | |
| RB | 22 | PPM | INAA | |
| SR | 390 | PPM | INAA | |
| CO | 14.5 | PPM | INAA | |
| CR | 32.8 | PPM | INAA | |
| SC | 10.05 | PPM | INAA | |
| ZN | 46 | PPM | INAA |