Sample DC-2
NavDat sample number 31261 · ANDESITE
Sample
| Sample ID | DC-2 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 44.5666 |
|---|---|
| Longitude | -120.329 |
| 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 | 58.07 | WT% | XRF | |
| TIO2 | 0.94 | WT% | XRF | |
| AL2O3 | 16.34 | WT% | SRC AND AAS | |
| FEO | 6.62 | WT% | XRF | |
| MNO | 0.15 | WT% | XRF | |
| MGO | 3.7 | WT% | SRC AND AAS | |
| CAO | 8.63 | WT% | XRF | |
| NA2O | 3.29 | WT% | SRC AND AAS | |
| K2O | 1.29 | WT% | XRF | |
| P2O5 | 0.35 | WT% | XRF | |
| TOTAL | 99.38 | WT% | XRF | |
| RB | 39 | PPM | XRF | |
| SR | 310 | PPM | XRF | |
| Y | 26 | PPM | XRF | |
| ZR | 182 | PPM | XRF | |
| BA | 443 | PPM | XRF | |
| V | 146 | PPM | XRF | |
| CR | 62 | PPM | XRF | |
| NI | 51 | PPM | XRF |