Sample LR88-664
NavDat sample number 30205 · ANDESITE
Sample
| Sample ID | LR88-664 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 37.6842 |
|---|---|
| Longitude | -106.823 |
| Location | Goose/Leopard Creek |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 31.25 | 29.5 | 33 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 64.22 | WT% | XRF | |
| TIO2 | 0.7 | WT% | XRF | |
| AL2O3 | 16.81 | WT% | XRF | |
| FE2O3 | 4.74 | WT% | XRF | |
| MGO | 1.44 | WT% | XRF | |
| CAO | 3.68 | WT% | XRF | |
| NA2O | 3.32 | WT% | XRF | |
| K2O | 4.58 | WT% | XRF | |
| P2O5 | 0.24 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| LOI | 2.32 | WT% | XRF | |
| TOTAL | 99.82 | WT% | XRF | |
| ZN | 88 | PPM | XRF | |
| RB | 131 | PPM | XRF | |
| SR | 579 | PPM | XRF | |
| Y | 31 | PPM | XRF | |
| ZR | 272 | PPM | XRF | |
| NB | 17 | PPM | XRF | |
| PB | 46 | PPM | XRF | |
| TH | 19 | PPM | XRF | |
| BA | 1264 | PPM | XRF | |
| LA | 55 | PPM | XRF | |
| CE | 92 | PPM | XRF | |
| ND | 40 | PPM | XRF |