Sample 02L-28
NavDat sample number 46102 · PYROCLASTIC-FLOW
Sample
| Sample ID | 02L-28 |
|---|---|
| Rock name | PYROCLASTIC-FLOW |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.166 |
|---|---|
| Longitude | -106.592 |
| Location | Luders Ck. |
| State / province | COLORADO |
| Formation | southeastern San Juan tuff, North Pass Caldera Cycle ?, lower Tuff of Luders Creek |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 33 | 30 | 36 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 72.5 | WT% | XRF | |
| TIO2 | 0.268536 | WT% | XRF | |
| AL2O3 | 15.038 | WT% | XRF | |
| FE2O3 | 1.36417 | WT% | XRF | |
| MGO | 0.204088 | WT% | XRF | |
| CAO | 0.0429658 | WT% | XRF | |
| NA2O | 2.03014 | WT% | XRF | |
| K2O | 3.11502 | WT% | XRF | |
| P2O5 | 5.29554 | WT% | XRF | |
| MNO | 0.0966731 | WT% | XRF | |
| LOI | 6.9 | WT% | XRF | |
| TOTAL | 99.96 | WT% | XRF | |
| ZN | 44 | PPM | XRF | |
| RB | 154 | PPM | XRF | |
| SR | 319 | PPM | XRF | |
| Y | 23 | PPM | XRF | |
| ZR | 266 | PPM | XRF | |
| NB | 22 | PPM | XRF | |
| PB | 24 | PPM | XRF | |
| TH | 11 | PPM | XRF | |
| BA | 984 | PPM | XRF | |
| LA | 79 | PPM | XRF | |
| CE | 128 | PPM | XRF | |
| ND | 53 | PPM | XRF | |
| CU | -2 | PPM | XRF | |
| V | 28 | PPM | XRF | |
| U | 5 | PPM | XRF | |
| CR | 5 | PPM | XRF | |
| CS | 11 | PPM | XRF | |
| GA | 15 | PPM | XRF | |
| NI | 6 | PPM | XRF |