Sample HG-25
NavDat sample number 31288 · ANDESITE
Sample
| Sample ID | HG-25 |
|---|---|
| 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 | 55.46 | WT% | XRF | |
| TIO2 | 1.03 | WT% | XRF | |
| AL2O3 | 18.12 | WT% | SRC AND AAS | |
| FEO | 7.88 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 5.61 | WT% | SRC AND AAS | |
| CAO | 8.48 | WT% | XRF | |
| NA2O | 3.49 | WT% | SRC AND AAS | |
| K2O | 0.49 | WT% | XRF | |
| P2O5 | 0.32 | WT% | XRF | |
| TOTAL | 101.01 | WT% | XRF | |
| RB | 28 | PPM | XRF | |
| SR | 473 | PPM | XRF | |
| Y | 27 | PPM | XRF | |
| ZR | 209 | PPM | XRF | |
| BA | 318 | PPM | XRF | |
| V | 162 | PPM | XRF | |
| CR | 142 | PPM | XRF | |
| NI | 98 | PPM | XRF |