Sample 23
NavDat sample number 12793 · ANDESITE
Sample
| Sample ID | 23 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Hammond and Korosec |
| Comment | Andesite of Black Creek |
Location
| Latitude | 45.519 |
|---|---|
| Longitude | -121.495 |
| State / province | Washington |
| Volcanic field | Indian Heaven |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 3.3 | 3.05 | 3.55 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 54.9 | WT% | XRF | |
| AL2O3 | 16.3 | WT% | XRF | |
| FEOT | 6.6 | WT% | XRF | |
| TIO2 | 1.12 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| MGO | 6.35 | WT% | XRF | |
| CAO | 7.4 | WT% | XRF | |
| NA2O | 3.84 | WT% | XRF | |
| K2O | 1.25 | WT% | XRF | |
| P2O5 | 0.33 | WT% | XRF | |
| H2O | 0.65 | WT% | XRF | |
| TOTAL | 98.86 | WT% | XRF | |
| LI | 14 | PPM | XRF | |
| RB | 15 | PPM | XRF | |
| CU | 65 | PPM | XRF | |
| SR | 990 | PPM | XRF | |
| BA | 380 | PPM | XRF | |
| ZN | 90 | PPM | XRF | |
| SC | 17 | PPM | XRF | |
| Y | 20 | PPM | XRF | |
| LA | 24 | PPM | XRF | |
| CE | 50 | PPM | XRF | |
| V | 145 | PPM | XRF | |
| CR | 310 | PPM | XRF | |
| NI | 108 | PPM | XRF |