Sample MH-22
NavDat sample number 54804 · ANDESITE
Sample
| Sample ID | MH-22 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 45.394 |
|---|---|
| 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 | 62.73 | WT% | XRF | |
| TIO2 | 0.78 | WT% | XRF | |
| AL2O3 | 17.94 | WT% | XRF | |
| FEOT | 5.97 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| MGO | 2.87 | WT% | XRF | |
| CAO | 5.55 | WT% | XRF | |
| NA2O | 3.35 | WT% | XRF | |
| K2O | 0.52 | WT% | XRF | |
| P2O5 | 0.19 | WT% | XRF | |
| TOTAL | 100.01 | WT% | XRF | |
| BA | 280 | PPM | INAA | |
| LA | 13.8 | PPM | INAA | |
| CE | 27.9 | PPM | INAA | |
| RB | 0 | PPM | INAA | |
| SR | 380 | PPM | INAA | |
| CO | 20.5 | PPM | INAA | |
| CR | 62 | PPM | INAA | |
| SC | 12.62 | PPM | INAA | |
| ZN | 54 | PPM | INAA |