Sample 95ID-14
NavDat sample number 38609 · ANDESITE
Sample
| Sample ID | 95ID-14 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | fine grained porphyritic with phenos of cpx, olivine, and opx |
Location
| Latitude | 44.5217 |
|---|---|
| Longitude | -114.113 |
| Location | Leaton Gulch |
| State / province | Idaho |
| Volcanic field | Tl of main effusive phase, Challis Volcanic Group |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 49 | 48 | 50 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 57.55 | WT% | XRF | |
| TIO2 | 1.02 | WT% | XRF | |
| AL2O3 | 15.26 | WT% | XRF | |
| FEOT | 7.17 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| MGO | 4.83 | WT% | XRF | |
| CAO | 8.5 | WT% | XRF | |
| NA2O | 2.54 | WT% | XRF | |
| K2O | 2.62 | WT% | XRF | |
| P2O5 | 0.37 | WT% | XRF | |
| LOI | 2.07 | WT% | XRF | |
| TOTAL | 100 | WT% | XRF | |
| NI | 19 | PPM | XRF | |
| CR | 247 | PPM | XRF | |
| SC | 28 | PPM | XRF | |
| V | 180 | PPM | XRF | |
| GA | 19 | PPM | XRF | |
| CU | 23 | PPM | XRF | |
| ZN | 79 | PPM | XRF | |
| ZR | 199 | PPM | XRF | |
| NB | 18 | PPM | XRF | |
| BA | 869 | PPM | XRF | |
| RB | 61 | PPM | XRF | |
| SR | 485 | PPM | XRF | |
| PB | 10 | PPM | XRF | |
| TH | 9 | PPM | XRF | |
| Y | 27 | PPM | XRF | |
| LA | 27 | PPM | XRF | |
| CE | 87 | PPM | XRF |