Sample HG-28
NavDat sample number 31291 · ANDESITE
Sample
| Sample ID | HG-28 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 44.4711 |
|---|---|
| Longitude | -120.539 |
| State / province | Oregon |
| Formation | Clarno Formation |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 45.6 | 37.4 | 53.8 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 59.6 | WT% | XRF | |
| TIO2 | 0.9 | WT% | XRF | |
| AL2O3 | 17.15 | WT% | SRC AND AAS | |
| FEO | 6.3 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| MGO | 4.31 | WT% | SRC AND AAS | |
| CAO | 7.21 | WT% | XRF | |
| NA2O | 3.44 | WT% | SRC AND AAS | |
| K2O | 1.17 | WT% | XRF | |
| P2O5 | 0.16 | WT% | XRF | |
| TOTAL | 100.34 | WT% | XRF | |
| RB | 40 | PPM | XRF | |
| SR | 352 | PPM | XRF | |
| Y | 21 | PPM | XRF | |
| ZR | 166 | PPM | XRF | |
| BA | 393 | PPM | XRF | |
| V | 135 | PPM | XRF | |
| CR | 93 | PPM | XRF | |
| NI | 69 | PPM | XRF |