Sample HG-2
NavDat sample number 31283 · ANDESITE
Sample
| Sample ID | HG-2 |
|---|---|
| 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 | 60.72 | WT% | XRF | |
| TIO2 | 0.9 | WT% | XRF | |
| AL2O3 | 16.5 | WT% | SRC AND AAS | |
| FEO | 5.89 | WT% | XRF | |
| MNO | 0.06 | WT% | XRF | |
| MGO | 2.32 | WT% | SRC AND AAS | |
| CAO | 5.57 | WT% | XRF | |
| NA2O | 3.83 | WT% | SRC AND AAS | |
| K2O | 1.5 | WT% | XRF | |
| P2O5 | 0.18 | WT% | XRF | |
| TOTAL | 97.47 | WT% | XRF | |
| RB | 49 | PPM | XRF | |
| SR | 359 | PPM | XRF | |
| Y | 18 | PPM | XRF | |
| ZR | 195 | PPM | XRF | |
| BA | 459 | PPM | XRF | |
| V | 103 | PPM | XRF | |
| CR | 81 | PPM | XRF | |
| NI | 41 | PPM | XRF |