Sample 78BR22
NavDat sample number 7882 · ANDESITE
Sample
| Sample ID | 78BR22 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 44.3433 |
|---|---|
| Longitude | -122.986 |
| State / province | Oregon |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 28.9 | 28 | 29 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 64.11 | WT% | XRF | |
| TIO2 | 1.19 | WT% | XRF | |
| AL2O3 | 14.43 | WT% | XRF | |
| FEOT | 7.7 | WT% | XRF | |
| MNO | 0.17 | WT% | XRF | |
| MGO | 1.67 | WT% | XRF | |
| CAO | 4.36 | WT% | XRF | |
| NA2O | 4.35 | WT% | INAA | |
| K2O | 1.7 | WT% | XRF | |
| P2O5 | 0.32 | WT% | XRF | |
| TOTAL | 98.67 | WT% | XRF | |
| LOI | 1.89 | WT% | XRF | |
| BA | 394 | PPM | INAA | |
| LA | 25.5 | PPM | INAA | |
| CE | 65.2 | PPM | INAA | |
| RB | 46.8 | PPM | MS-ID | |
| SR | 247.7 | PPM | MS-ID | |
| CO | 11.1 | PPM | INAA | |
| CR | 14 | PPM | INAA | |
| SC | 21.3 | PPM | INAA |