Sample HG-41
NavDat sample number 31299 · ANDESITE
Sample
| Sample ID | HG-41 |
|---|---|
| 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 | 55.86 | WT% | XRF | |
| TIO2 | 1.43 | WT% | XRF | |
| AL2O3 | 17.48 | WT% | SRC AND AAS | |
| FEO | 7.98 | WT% | XRF | |
| MNO | 0.15 | WT% | XRF | |
| MGO | 4.44 | WT% | SRC AND AAS | |
| CAO | 7.72 | WT% | XRF | |
| NA2O | 3.73 | WT% | SRC AND AAS | |
| K2O | 0.9 | WT% | XRF | |
| P2O5 | 0.27 | WT% | XRF | |
| TOTAL | 99.96 | WT% | XRF | |
| RB | 33 | PPM | XRF | |
| SR | 400 | PPM | XRF | |
| Y | 28 | PPM | XRF | |
| ZR | 159 | PPM | XRF | |
| BA | 443 | PPM | XRF | |
| V | 224 | PPM | XRF | |
| CR | 38 | PPM | XRF | |
| NI | 22 | PPM | XRF |