Sample HG-12
NavDat sample number 31277 · ANDESITE
Sample
| Sample ID | HG-12 |
|---|---|
| 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 | 54.41 | WT% | XRF | |
| TIO2 | 1.36 | WT% | XRF | |
| AL2O3 | 16.98 | WT% | SRC AND AAS | |
| FEO | 8.87 | WT% | XRF | |
| MNO | 0.15 | WT% | XRF | |
| MGO | 5.66 | WT% | SRC AND AAS | |
| CAO | 9.35 | WT% | XRF | |
| NA2O | 3.26 | WT% | SRC AND AAS | |
| K2O | 0.73 | WT% | XRF | |
| P2O5 | 0.24 | WT% | XRF | |
| TOTAL | 101.01 | WT% | XRF | |
| RB | 25 | PPM | XRF | |
| SR | 395 | PPM | XRF | |
| Y | 27 | PPM | XRF | |
| ZR | 145 | PPM | XRF | |
| BA | 281 | PPM | XRF | |
| V | 238 | PPM | XRF | |
| CR | 148 | PPM | XRF | |
| NI | 34 | PPM | XRF |