Sample 87-162
NavDat sample number 16976 · PYROCLASTIC-FLOW
Sample
| Sample ID | 87-162 |
|---|---|
| Rock name | PYROCLASTIC-FLOW |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.735 |
|---|---|
| Longitude | -107.066 |
| Location | Antelope Park, top of cliffs, 9330' |
| 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 | 65.2841 | WT% | XRF | |
| TIO2 | 0.720083 | WT% | XRF | |
| AL2O3 | 17.4443 | WT% | XRF | |
| FE2O3 | 3.39757 | WT% | XRF | |
| MGO | 2.36309 | WT% | XRF | |
| CAO | 3.99595 | WT% | XRF | |
| NA2O | 3.65113 | WT% | XRF | |
| K2O | 4.19879 | WT% | XRF | |
| P2O5 | 0.294118 | WT% | XRF | |
| MNO | 0.0608521 | WT% | XRF | |
| LOI | 1.99 | WT% | XRF | |
| TOTAL | 101.41 | WT% | XRF | |
| ZN | 62 | PPM | XRF | |
| RB | 120 | PPM | XRF | |
| SR | 549 | PPM | XRF | |
| Y | 25 | PPM | XRF | |
| ZR | 253 | PPM | XRF | |
| BA | 1266 | PPM | XRF | |
| LA | 41 | PPM | XRF | |
| CE | 68 | PPM | XRF | |
| CU | 14 | PPM | XRF | |
| V | 48 | PPM | XRF | |
| TH | 13.6 | PPM | INAA | |
| U | 3.4 | PPM | INAA | |
| LA | 48.9 | PPM | INAA | |
| CE | 89.1 | PPM | INAA | |
| ND | 49 | PPM | INAA | |
| SM | 6.82 | PPM | INAA | |
| EU | 1.7 | PPM | INAA | |
| GD | 3 | PPM | INAA | |
| TB | 0.94 | PPM | INAA | |
| YB | 2.4 | PPM | INAA | |
| LU | 0.35 | PPM | INAA | |
| TA | 1.06 | PPM | INAA | |
| HF | 4.71 | PPM | INAA | |
| SC | 8.4 | PPM | INAA |