Sample 86-4
NavDat sample number 16972 · PYROCLASTIC-FLOW
Sample
| Sample ID | 86-4 |
|---|---|
| Rock name | PYROCLASTIC-FLOW |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.837 |
|---|---|
| Longitude | -107.02 |
| Location | Shallow Creek |
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 27.2 | 27.1 | 27.3 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 66.9302 | WT% | XRF | |
| TIO2 | 0.769196 | WT% | XRF | |
| AL2O3 | 16.0418 | WT% | XRF | |
| FE2O3 | 3.37029 | WT% | XRF | |
| MGO | 2.25698 | WT% | XRF | |
| CAO | 3.05654 | WT% | XRF | |
| NA2O | 3.2792 | WT% | XRF | |
| K2O | 5.1111 | WT% | XRF | |
| P2O5 | 0.313751 | WT% | XRF | |
| MNO | 0.080968 | WT% | XRF | |
| LOI | 2.24 | WT% | XRF | |
| TOTAL | 101.21 | WT% | XRF | |
| ZN | 53 | PPM | XRF | |
| RB | 145 | PPM | XRF | |
| SR | 449 | PPM | XRF | |
| Y | 29 | PPM | XRF | |
| ZR | 251 | PPM | XRF | |
| BA | 1265 | PPM | XRF | |
| LA | 53 | PPM | XRF | |
| CE | 83 | PPM | XRF | |
| CU | 13 | PPM | XRF | |
| V | 43 | PPM | XRF | |
| TH | 14.2 | PPM | INAA | |
| U | 5 | PPM | INAA | |
| LA | 52.9 | PPM | INAA | |
| CE | 97.7 | PPM | INAA | |
| ND | 33.6 | PPM | INAA | |
| SM | 7.92 | PPM | INAA | |
| EU | 1.43 | PPM | INAA | |
| GD | 8.1 | PPM | INAA | |
| YB | 2.71 | PPM | INAA | |
| LU | 0.46 | PPM | INAA | |
| TA | 1.35 | PPM | INAA | |
| HF | 4.24 | PPM | INAA | |
| SC | 7.4 | PPM | INAA |