Sample LR89-006-1pum
NavDat sample number 30135 · PYROCLASTIC-FALL
Sample
| Sample ID | LR89-006-1pum |
|---|---|
| Rock name | PYROCLASTIC-FALL |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.9211 |
|---|---|
| Longitude | -106.916 |
| Location | Nelson Mtn SE Ridge |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 26.6 | 26.1 | 27 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 72.41 | WT% | XRF | |
| TIO2 | 0.31 | WT% | XRF | |
| AL2O3 | 15.52 | WT% | XRF | |
| FE2O3 | 1.55 | WT% | XRF | |
| MGO | 1.11 | WT% | XRF | |
| CAO | 1.69 | WT% | XRF | |
| NA2O | 1.99 | WT% | XRF | |
| K2O | 5.86 | WT% | XRF | |
| P2O5 | 0.05 | WT% | XRF | |
| MNO | 0.09 | WT% | XRF | |
| LOI | 5.1 | WT% | XRF | |
| TOTAL | 100.57 | WT% | XRF | |
| ZN | 72 | PPM | XRF | |
| RB | 135 | PPM | XRF | |
| SR | 237 | PPM | XRF | |
| Y | 34 | PPM | XRF | |
| ZR | 205 | PPM | XRF | |
| NB | 17 | PPM | XRF | |
| PB | 38 | PPM | XRF | |
| TH | 26 | PPM | XRF | |
| BA | 1199 | PPM | XRF | |
| LA | 54 | PPM | XRF | |
| CE | 112 | PPM | XRF | |
| ND | 47 | PPM | XRF |