Sample 98
NavDat sample number 65888 · ANDESITE
Sample
| Sample ID | 98 |
|---|---|
| Alternate ID | 98-MAD-3 |
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Dacite |
Location
| Latitude | 45.6003 |
|---|---|
| Longitude | -117.945 |
| State / province | Oregon |
| Formation | Elgin Volcanics |
| Elevation | 988 |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 14.55 | 5.3 | 23.8 | Miocene |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 62.68 | WT% | XRF | |
| AL2O3 | 18.82 | WT% | XRF | |
| TIO2 | 0.476 | WT% | XRF | |
| FEOT | 3.99 | WT% | XRF | |
| MNO | 0.08 | WT% | XRF | |
| CAO | 6.09 | WT% | XRF | |
| MGO | 2.29 | WT% | XRF | |
| K2O | 0.93 | WT% | XRF | |
| NA2O | 4.46 | WT% | XRF | |
| P2O5 | 0.19 | WT% | XRF | |
| TOTAL | 100.17 | WT% | XRF | |
| NI | 22 | PPM | XRF | |
| CR | 27 | PPM | XRF | |
| SC | 12 | PPM | XRF | |
| V | 60 | PPM | XRF | |
| BA | 593 | PPM | XRF | |
| RB | 10 | PPM | XRF | |
| SR | 897 | PPM | XRF | |
| ZR | 104 | PPM | XRF | |
| Y | 8 | PPM | XRF | |
| NB | 4 | PPM | XRF | |
| GA | 20 | PPM | XRF | |
| CU | 39 | PPM | XRF | |
| ZN | 60 | PPM | XRF | |
| PB | 6 | PPM | XRF | |
| LA | 8 | PPM | XRF | |
| CE | 33 | PPM | XRF | |
| TH | 1 | PPM | XRF |