Sample 02L-11
NavDat sample number 46114 · PYROCLASTIC-FALL
Sample
| Sample ID | 02L-11 |
|---|---|
| Rock name | PYROCLASTIC-FALL |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.225 |
|---|---|
| Longitude | -106.488 |
| Location | Bear Creek |
| State / province | COLORADO |
| Formation | southeastern San Juan tuff, North Pass Caldera Cycle ?, Tuff of Saguache Creek |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 33 | 30 | 36 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 73.72 | WT% | XRF | |
| TIO2 | 0.211487 | WT% | XRF | |
| AL2O3 | 13.8977 | WT% | XRF | |
| FE2O3 | 1.29914 | WT% | XRF | |
| MGO | 0.140992 | WT% | XRF | |
| CAO | 0.594179 | WT% | XRF | |
| NA2O | 4.19954 | WT% | XRF | |
| K2O | 5.3174 | WT% | XRF | |
| P2O5 | 0.0906375 | WT% | XRF | |
| MNO | 0.060425 | WT% | XRF | |
| LOI | 0.7 | WT% | XRF | |
| TOTAL | 99.53 | WT% | XRF | |
| ZN | 70 | PPM | XRF | |
| RB | 124 | PPM | XRF | |
| SR | 42 | PPM | XRF | |
| Y | 33 | PPM | XRF | |
| ZR | 292 | PPM | XRF | |
| NB | 27 | PPM | XRF | |
| PB | 30 | PPM | XRF | |
| TH | 14 | PPM | XRF | |
| BA | 307 | PPM | XRF | |
| LA | 90 | PPM | XRF | |
| CE | 158 | PPM | XRF | |
| ND | 71 | PPM | XRF | |
| CU | -2 | PPM | XRF | |
| V | 18 | PPM | XRF | |
| U | 4 | PPM | XRF | |
| CR | -3 | PPM | XRF | |
| CS | 5 | PPM | XRF | |
| GA | 17 | PPM | XRF | |
| NI | 6 | PPM | XRF |