Sample DC-4
NavDat sample number 31262 · ANDESITE
Sample
| Sample ID | DC-4 |
|---|---|
| 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 | 62.37 | WT% | XRF | |
| TIO2 | 0.94 | WT% | XRF | |
| AL2O3 | 15.84 | WT% | SRC AND AAS | |
| FEO | 6.1 | WT% | XRF | |
| MNO | 0.08 | WT% | XRF | |
| MGO | 3.38 | WT% | SRC AND AAS | |
| CAO | 5.8 | WT% | XRF | |
| NA2O | 3.63 | WT% | SRC AND AAS | |
| K2O | 1.63 | WT% | XRF | |
| P2O5 | 0.21 | WT% | XRF | |
| TOTAL | 99.98 | WT% | XRF | |
| RB | 53 | PPM | XRF | |
| SR | 384 | PPM | XRF | |
| Y | 25 | PPM | XRF | |
| ZR | 190 | PPM | XRF | |
| BA | 487 | PPM | XRF | |
| V | 118 | PPM | XRF | |
| CR | 98 | PPM | XRF | |
| NI | 46 | PPM | XRF |