Sample LR87-715-5
NavDat sample number 30207 · ANDESITE
Sample
| Sample ID | LR87-715-5 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 38.1158 |
|---|---|
| Longitude | -107.293 |
| Location | Lake Fork, N of Bill Hare Guch, 8400' |
| 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 | 57.44 | WT% | XRF | |
| TIO2 | 0.79 | WT% | XRF | |
| AL2O3 | 18.25 | WT% | XRF | |
| FE2O3 | 7.1 | WT% | XRF | |
| MGO | 2.72 | WT% | XRF | |
| CAO | 5.39 | WT% | XRF | |
| NA2O | 4.4 | WT% | XRF | |
| K2O | 2.85 | WT% | XRF | |
| P2O5 | 0.31 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| LOI | 0.73 | WT% | XRF | |
| TOTAL | 99.39 | WT% | XRF | |
| ZN | 99 | PPM | XRF | |
| RB | 52.67 | PPM | XRF | |
| SR | 1065 | PPM | XRF | |
| Y | 19.33 | PPM | XRF | |
| ZR | 190 | PPM | XRF | |
| NB | 14.7 | PPM | XRF | |
| PB | 30 | PPM | XRF | |
| TH | 6 | PPM | XRF | |
| BA | 1334 | PPM | XRF | |
| LA | 45 | PPM | XRF | |
| CE | 68 | PPM | XRF | |
| ND | 33 | PPM | XRF |