Sample HG-23
NavDat sample number 31286 · ANDESITE
Sample
| Sample ID | HG-23 |
|---|---|
| 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 | 57.47 | WT% | XRF | |
| TIO2 | 0.87 | WT% | XRF | |
| AL2O3 | 18.12 | WT% | SRC AND AAS | |
| FEO | 6.62 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 5.12 | WT% | SRC AND AAS | |
| CAO | 7.66 | WT% | XRF | |
| NA2O | 3.28 | WT% | SRC AND AAS | |
| K2O | 1.03 | WT% | XRF | |
| P2O5 | 0.17 | WT% | XRF | |
| TOTAL | 100.47 | WT% | XRF | |
| RB | 35 | PPM | XRF | |
| SR | 380 | PPM | XRF | |
| Y | 22 | PPM | XRF | |
| ZR | 168 | PPM | XRF | |
| BA | 351 | PPM | XRF | |
| V | 140 | PPM | XRF | |
| CR | 136 | PPM | XRF | |
| NI | 87 | PPM | XRF |