Sample 139.3C
NavDat sample number 19723 · ANDESITE
Sample
| Sample ID | 139.3C |
|---|---|
| Rock name | ANDESITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 46.4468 |
|---|---|
| Longitude | -115.08 |
| 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 | 58.08 | WT% | XRF | |
| TIO2 | 0.98 | WT% | XRF | |
| AL2O3 | 17.29 | WT% | XRF | |
| FE2O3 | 3.56 | WT% | XRF | |
| FEO | 4.08 | WT% | XRF | |
| MNO | 0.11 | WT% | XRF | |
| MGO | 4.6 | WT% | XRF | |
| CAO | 6.36 | WT% | XRF | |
| NA2O | 3.19 | WT% | XRF | |
| K2O | 1.57 | WT% | XRF | |
| P2O5 | 0.185 | WT% | XRF | |
| BA | 535 | PPM | ICP | |
| RB | 56 | PPM | ICP | |
| CO | 35 | PPM | ICP | |
| CR | 134 | PPM | ICP | |
| CU | 42 | PPM | ICP | |
| LI | 39 | PPM | ICP | |
| NB | 13 | PPM | ICP | |
| NI | 44 | PPM | ICP | |
| SC | 16 | PPM | ICP | |
| SR | 536 | PPM | ICP | |
| V | 102 | PPM | ICP | |
| Y | 17 | PPM | ICP | |
| ZN | 80 | PPM | ICP | |
| ZR | 17 | PPM | ICP | |
| LA | 18.6 | PPM | ICP | |
| CE | 35.68 | PPM | ICP | |
| PR | 6.3 | PPM | ICP | |
| ND | 16.89 | PPM | ICP | |
| SM | 3.52 | PPM | ICP | |
| EU | 1.14 | PPM | ICP | |
| GD | 3.26 | PPM | ICP | |
| DY | 2.85 | PPM | ICP | |
| HO | 0.56 | PPM | ICP | |
| ER | 1.64 | PPM | ICP | |
| YB | 1.54 | PPM | ICP | |
| LU | 0.22 | PPM | ICP |