Sample LR88-652
NavDat sample number 30162 · RHYOLITE
Sample
| Sample ID | LR88-652 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.7925 |
|---|---|
| Longitude | -106.98 |
| Location | Point of Rocks |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.35 | 27.25 | 27.45 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 76.78 | WT% | XRF | |
| TIO2 | 0.22 | WT% | XRF | |
| AL2O3 | 13.86 | WT% | XRF | |
| FE2O3 | 0.35 | WT% | XRF | |
| MGO | 0.13 | WT% | XRF | |
| CAO | 0.46 | WT% | XRF | |
| NA2O | 2.66 | WT% | XRF | |
| K2O | 5.81 | WT% | XRF | |
| P2O5 | 0.01 | WT% | XRF | |
| MNO | 0.01 | WT% | XRF | |
| LOI | 1.03 | WT% | XRF | |
| TOTAL | 100.29 | WT% | XRF | |
| ZN | 37.5 | PPM | XRF | |
| RB | 164.5 | PPM | XRF | |
| SR | 69 | PPM | XRF | |
| Y | 25 | PPM | XRF | |
| ZR | 188 | PPM | XRF | |
| NB | 19.5 | PPM | XRF | |
| PB | 30 | PPM | XRF | |
| TH | 30.5 | PPM | XRF | |
| BA | 411 | PPM | XRF | |
| LA | 21 | PPM | XRF | |
| CE | 55 | PPM | XRF | |
| ND | 20 | PPM | XRF | |
| LA | 24 | PPM | INAA | |
| CE | 45 | PPM | INAA | |
| ND | 19 | PPM | INAA | |
| SM | 3.6 | PPM | INAA | |
| EU | 0.63 | PPM | INAA | |
| GD | 2.5 | PPM | INAA | |
| TB | 0.46 | PPM | INAA | |
| HO | 0.57 | PPM | INAA | |
| TM | 0.46 | PPM | INAA | |
| YB | 2.6 | PPM | INAA |