Sample LR87-715-1
NavDat sample number 30206 · ANDESITE
Sample
| Sample ID | LR87-715-1 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 38.1133 |
|---|---|
| Longitude | -107.296 |
| Location | Lake Fork, up Bill Hare Guch, 8840' |
| 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 | 69.56 | WT% | XRF | |
| TIO2 | 0.55 | WT% | XRF | |
| AL2O3 | 13.74 | WT% | XRF | |
| FE2O3 | 4.75 | WT% | XRF | |
| MGO | 1.2 | WT% | XRF | |
| CAO | 3.38 | WT% | XRF | |
| NA2O | 3.41 | WT% | XRF | |
| K2O | 2.86 | WT% | XRF | |
| P2O5 | 0.27 | WT% | XRF | |
| MNO | 0.1 | WT% | XRF | |
| LOI | 0.59 | WT% | XRF | |
| TOTAL | 99.82 | WT% | XRF | |
| ZN | 41 | PPM | XRF | |
| RB | 44.5 | PPM | XRF | |
| SR | 534 | PPM | XRF | |
| Y | 18 | PPM | XRF | |
| ZR | 135.5 | PPM | XRF | |
| NB | 9.5 | PPM | XRF | |
| PB | 30 | PPM | XRF | |
| TH | 9 | PPM | XRF | |
| BA | 1262 | PPM | XRF | |
| LA | 39 | PPM | XRF | |
| CE | 73 | PPM | XRF | |
| ND | 29 | PPM | XRF |