Sample 02L-30
NavDat sample number 46118 · PYROCLASTIC-FALL
Sample
| Sample ID | 02L-30 |
|---|---|
| Rock name | PYROCLASTIC-FALL |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.11 |
|---|---|
| Longitude | -106.678 |
| Location | Mex Joe Can |
| State / province | COLORADO |
| Formation | southeastern San Juan tuff, North Pass Caldera Cycle ?, lower 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 | 75.36 | WT% | XRF | |
| TIO2 | 0.213853 | WT% | XRF | |
| AL2O3 | 13.6458 | WT% | XRF | |
| FE2O3 | 0.773944 | WT% | XRF | |
| MGO | 0.132385 | WT% | XRF | |
| CAO | 0.600825 | WT% | XRF | |
| NA2O | 3.92063 | WT% | XRF | |
| K2O | 5.16302 | WT% | XRF | |
| P2O5 | 0.0814677 | WT% | XRF | |
| MNO | 0.0203669 | WT% | XRF | |
| LOI | 1.8 | WT% | XRF | |
| TOTAL | 99.91 | WT% | XRF | |
| ZN | 38 | PPM | XRF | |
| RB | 112 | PPM | XRF | |
| SR | 58 | PPM | XRF | |
| Y | 33 | PPM | XRF | |
| ZR | 283 | PPM | XRF | |
| NB | 25 | PPM | XRF | |
| PB | 29 | PPM | XRF | |
| TH | 9 | PPM | XRF | |
| BA | 357 | PPM | XRF | |
| LA | 88 | PPM | XRF | |
| CE | 153 | PPM | XRF | |
| ND | 65 | PPM | XRF | |
| CU | -2 | PPM | XRF | |
| V | 19 | PPM | XRF | |
| U | 6 | PPM | XRF | |
| CR | -3 | PPM | XRF | |
| CS | 4 | PPM | XRF | |
| GA | 15 | PPM | XRF | |
| NI | 7 | PPM | XRF |