Sample 134.3A2
NavDat sample number 19722 · ANDESITE
Sample
| Sample ID | 134.3A2 |
|---|---|
| Rock name | ANDESITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 46.4249 |
|---|---|
| Longitude | -115.154 |
| Location | Lochsa River / Route 12 section; sample name is its milepost location |
| State / province | Idaho |
| Volcanic field | Idaho batholith, Bitterroot lobe |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 77 | 70 | 85 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 56.72 | WT% | XRF | |
| TIO2 | 0.66 | WT% | XRF | |
| AL2O3 | 16.49 | WT% | XRF | |
| FE2O3 | 3.34 | WT% | XRF | |
| FEO | 3.83 | WT% | XRF | |
| MNO | 0.13 | WT% | XRF | |
| MGO | 5.63 | WT% | XRF | |
| CAO | 8.08 | WT% | XRF | |
| NA2O | 2.39 | WT% | XRF | |
| K2O | 2.49 | WT% | XRF | |
| P2O5 | 0.249 | WT% | XRF | |
| BA | 957 | PPM | ICP | |
| CO | 35 | PPM | ICP | |
| CR | 247 | PPM | ICP | |
| CU | 21 | PPM | ICP | |
| LI | 13 | PPM | ICP | |
| NB | 13 | PPM | ICP | |
| NI | 25 | PPM | ICP | |
| SC | 22 | PPM | ICP | |
| SR | 529 | PPM | ICP | |
| V | 147 | PPM | ICP | |
| Y | 16 | PPM | ICP | |
| ZN | 65 | PPM | ICP | |
| ZR | 20 | PPM | ICP | |
| LA | 15.94 | PPM | ICP | |
| CE | 30.49 | PPM | ICP | |
| PR | 3.66 | PPM | ICP | |
| ND | 14.38 | PPM | ICP | |
| SM | 3.09 | PPM | ICP | |
| EU | 1.03 | PPM | ICP | |
| GD | 2.98 | PPM | ICP | |
| DY | 2.5 | PPM | ICP | |
| HO | 0.51 | PPM | ICP | |
| ER | 1.35 | PPM | ICP | |
| YB | 1.44 | PPM | ICP | |
| LU | 0.25 | PPM | ICP |