Sample DC-9
NavDat sample number 31266 · ANDESITE
Sample
| Sample ID | DC-9 |
|---|---|
| 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 | 53.86 | WT% | XRF | |
| TIO2 | 1.21 | WT% | XRF | |
| AL2O3 | 15.19 | WT% | SRC AND AAS | |
| FEO | 9.54 | WT% | XRF | |
| MNO | 0.17 | WT% | XRF | |
| MGO | 7.7 | WT% | SRC AND AAS | |
| CAO | 9.14 | WT% | XRF | |
| NA2O | 2.71 | WT% | SRC AND AAS | |
| K2O | 0.63 | WT% | XRF | |
| P2O5 | 0.27 | WT% | XRF | |
| TOTAL | 100.42 | WT% | XRF | |
| RB | 68 | PPM | XRF | |
| SR | 314 | PPM | XRF | |
| Y | 21 | PPM | XRF | |
| ZR | 161 | PPM | XRF | |
| BA | 284 | PPM | XRF | |
| V | 235 | PPM | XRF | |
| CR | 426 | PPM | XRF | |
| NI | 220 | PPM | XRF |