Sample DS85-129
NavDat sample number 45708 · PYROCLASTIC-FLOW
Sample
| Sample ID | DS85-129 |
|---|---|
| Rock name | PYROCLASTIC-FLOW |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 37.788 |
|---|---|
| Longitude | -106.98 |
| Location | Point of Rocks |
| State / province | COLORADO |
| Formation | upper welded Snowshoe Mtn. Tuff, intracaldera, Creede Caldera cycle |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 26.92 | 26.85 | 26.99 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 67.61 | WT% | XRF | |
| TIO2 | 0.518501 | WT% | XRF | |
| AL2O3 | 15.0467 | WT% | XRF | |
| FE2O3 | 3.87351 | WT% | XRF | |
| MGO | 1.0675 | WT% | XRF | |
| CAO | 3.61934 | WT% | XRF | |
| NA2O | 3.46684 | WT% | XRF | |
| K2O | 4.53434 | WT% | XRF | |
| P2O5 | 0.233834 | WT% | XRF | |
| MNO | 0.0610001 | WT% | XRF | |
| LOI | 1.64 | WT% | XRF | |
| TOTAL | 100.03 | WT% | XRF | |
| ZN | 81 | PPM | XRF | |
| RB | 135 | PPM | XRF | |
| SR | 472 | PPM | XRF | |
| Y | 28 | PPM | XRF | |
| ZR | 184 | PPM | XRF | |
| NB | 23 | PPM | XRF | |
| PB | 52 | PPM | XRF | |
| CU | 61 | PPM | XRF | |
| MO | 8 | PPM | XRF | |
| NI | 103 | PPM | XRF | |
| RB | 122 | PPM | INAA | |
| BA | 823 | PPM | INAA | |
| SR | 475 | PPM | INAA | |
| TH | 13.5 | PPM | INAA | |
| U | 4.19 | PPM | INAA | |
| LA | 43.6 | PPM | INAA | |
| CE | 87.6 | PPM | INAA | |
| ND | 33.2 | PPM | INAA | |
| SM | 6.3 | PPM | INAA | |
| EU | 1.36 | PPM | INAA | |
| GD | 5.3 | PPM | INAA | |
| TB | 0.731 | PPM | INAA | |
| TM | 0.388 | PPM | INAA | |
| YB | 2.48 | PPM | INAA | |
| LU | 0.376 | PPM | INAA | |
| TA | 1.13 | PPM | INAA | |
| ZR | 174 | PPM | INAA | |
| HF | 5.56 | PPM | INAA | |
| SB | 0.291 | PPM | INAA | |
| SC | 6.34 | PPM | INAA | |
| CR | 4.76 | PPM | INAA | |
| CO | 8.05 | PPM | INAA | |
| NI | 11.1 | PPM | INAA | |
| ZN | 64.2 | PPM | INAA |