Sample LR88-663
NavDat sample number 30204 · ANDESITE
Sample
| Sample ID | LR88-663 |
|---|---|
| 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 | 63.67 | WT% | XRF | |
| TIO2 | 0.62 | WT% | XRF | |
| AL2O3 | 17.56 | WT% | XRF | |
| FE2O3 | 4.73 | WT% | XRF | |
| MGO | 0.78 | WT% | XRF | |
| CAO | 4.18 | WT% | XRF | |
| NA2O | 4.04 | WT% | XRF | |
| K2O | 3.31 | WT% | XRF | |
| P2O5 | 0.29 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| LOI | 0.76 | WT% | XRF | |
| TOTAL | 99.32 | WT% | XRF | |
| ZN | 108 | PPM | XRF | |
| RB | 72 | PPM | XRF | |
| SR | 544 | PPM | XRF | |
| Y | 30 | PPM | XRF | |
| ZR | 282 | PPM | XRF | |
| NB | 16 | PPM | XRF | |
| PB | 30 | PPM | XRF | |
| TH | 18 | PPM | XRF | |
| BA | 1089 | PPM | XRF | |
| LA | 44 | PPM | XRF | |
| CE | 83 | PPM | XRF | |
| ND | 40 | PPM | XRF |