Sample 98LC-Q281B
NavDat sample number 48323 · ANDESITE
Sample
| Sample ID | 98LC-Q281B |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 45.87 |
|---|---|
| Longitude | -122.711 |
| State / province | Washington |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 34 | 30.6 | 37.4 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 60.91 | WT% | XRF | |
| TIO2 | 1.85 | WT% | XRF | |
| AL2O3 | 15.32 | WT% | XRF | |
| FEOT | 8.23 | WT% | XRF | |
| MNO | 0.19 | WT% | XRF | |
| MGO | 2.28 | WT% | XRF | |
| CAO | 4.96 | WT% | XRF | |
| NA2O | 4.2 | WT% | XRF | |
| K2O | 1.6 | WT% | XRF | |
| P2O5 | 0.46 | WT% | XRF | |
| TOTAL | 99.29 | WT% | XRF | |
| LOI | 3.15 | WT% | XRF | |
| BA | 297 | PPM | XRF | |
| RB | 31 | PPM | XRF | |
| SR | 292 | PPM | XRF | |
| Y | 33 | PPM | XRF | |
| ZR | 264 | PPM | XRF | |
| NB | 20 | PPM | XRF | |
| NI | 11 | PPM | XRF | |
| CU | 75 | PPM | XRF | |
| ZN | 92 | PPM | XRF |