Sample 116.7
NavDat sample number 19726 · ANDESITE
Sample
| Sample ID | 116.7 |
|---|---|
| Rock name | ANDESITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 46.2861 |
|---|---|
| Longitude | -115.384 |
| 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 | 60.43 | WT% | XRF | |
| TIO2 | 1.11 | WT% | XRF | |
| AL2O3 | 17.32 | WT% | XRF | |
| FE2O3 | 3.14 | WT% | XRF | |
| FEO | 3.6 | WT% | XRF | |
| MNO | 0.11 | WT% | XRF | |
| MGO | 2.79 | WT% | XRF | |
| CAO | 5.71 | WT% | XRF | |
| NA2O | 2.94 | WT% | XRF | |
| K2O | 2.56 | WT% | XRF | |
| P2O5 | 0.285 | WT% | XRF | |
| BA | 513 | PPM | ICP | |
| RB | 89 | PPM | ICP | |
| CO | 29 | PPM | ICP | |
| CR | 42 | PPM | ICP | |
| CU | 25 | PPM | ICP | |
| LI | 21 | PPM | ICP | |
| NB | 16 | PPM | ICP | |
| NI | 12 | PPM | ICP | |
| SC | 12 | PPM | ICP | |
| SR | 404 | PPM | ICP | |
| V | 71 | PPM | ICP | |
| Y | 18 | PPM | ICP | |
| ZN | 73 | PPM | ICP | |
| ZR | 63 | PPM | ICP | |
| LA | 29.05 | PPM | ICP | |
| CE | 57.8 | PPM | ICP | |
| PR | 6.56 | PPM | ICP | |
| ND | 26.45 | PPM | ICP | |
| SM | 5.25 | PPM | ICP | |
| EU | 1.46 | PPM | ICP | |
| GD | 4.5 | PPM | ICP | |
| DY | 3.55 | PPM | ICP | |
| HO | 0.68 | PPM | ICP | |
| ER | 2 | PPM | ICP | |
| YB | 1.72 | PPM | ICP | |
| LU | 0.25 | PPM | ICP |