Sample LR88-660
NavDat sample number 30202 · ANDESITE
Sample
| Sample ID | LR88-660 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 37.6861 |
|---|---|
| Longitude | -106.828 |
| 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 | 60 | WT% | XRF | |
| TIO2 | 0.89 | WT% | XRF | |
| AL2O3 | 17.43 | WT% | XRF | |
| FE2O3 | 5.95 | WT% | XRF | |
| MGO | 2.23 | WT% | XRF | |
| CAO | 5.46 | WT% | XRF | |
| NA2O | 3.48 | WT% | XRF | |
| K2O | 3.69 | WT% | XRF | |
| P2O5 | 0.39 | WT% | XRF | |
| MNO | 0.08 | WT% | XRF | |
| LOI | 1.42 | WT% | XRF | |
| TOTAL | 99.6 | WT% | XRF | |
| ZN | 90 | PPM | XRF | |
| RB | 104 | PPM | XRF | |
| SR | 756 | PPM | XRF | |
| Y | 26 | PPM | XRF | |
| ZR | 264 | PPM | XRF | |
| NB | 16 | PPM | XRF | |
| PB | 51 | PPM | XRF | |
| TH | 9 | PPM | XRF | |
| BA | 1242 | PPM | XRF | |
| LA | 56 | PPM | XRF | |
| CE | 90 | PPM | XRF | |
| ND | 38 | PPM | XRF |