Sample MCR 7 4-9
NavDat sample number 38919 · ANDESITE
Sample
| Sample ID | MCR 7 4-9 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 43.8325 |
|---|---|
| Longitude | -114.546 |
| Location | Boulder Mountains |
| State / province | Idaho |
| Volcanic field | Challis volcanics |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 48.25 | 43.7 | 52.8 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 56.35 | WT% | XRF | |
| AL2O3 | 11.16 | WT% | XRF | |
| TIO2 | 0.563 | WT% | XRF | |
| FEOT | 3.51 | WT% | XRF | |
| MNO | 0.105 | WT% | XRF | |
| CAO | 12.68 | WT% | XRF | |
| MGO | 10.64 | WT% | XRF | |
| K2O | 3.74 | WT% | XRF | |
| NA2O | 1.29 | WT% | XRF | |
| P2O5 | 0.131 | WT% | XRF | |
| TOTAL | 100.17 | WT% | XRF | |
| NI | 41 | PPM | XRF | |
| CR | 74 | PPM | XRF | |
| SC | 16 | PPM | XRF | |
| V | 110 | PPM | XRF | |
| BA | 788 | PPM | XRF | |
| RB | 119 | PPM | XRF | |
| SR | 322 | PPM | XRF | |
| ZR | 207 | PPM | XRF | |
| Y | 22 | PPM | XRF | |
| NB | 12.8 | PPM | XRF | |
| GA | 12 | PPM | XRF | |
| CU | 39 | PPM | XRF | |
| ZN | 86 | PPM | XRF | |
| PB | 9 | PPM | XRF | |
| LA | 21 | PPM | XRF | |
| CE | 0 | PPM | XRF | |
| TH | 10 | PPM | XRF |