Sample 02L-25-A
NavDat sample number 46103 · PYROCLASTIC FLOW
Sample
| Sample ID | 02L-25-A |
|---|---|
| Rock name | PYROCLASTIC FLOW |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 38.187 |
|---|---|
| Longitude | -106.516 |
| Location | Buffalo Ck. CG |
| State / province | COLORADO |
| Formation | southeastern San Juan tuff, North Pass Caldera Cycle ?, 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 | 73.02 | WT% | XRF | |
| TIO2 | 0.275935 | WT% | XRF | |
| AL2O3 | 13.9029 | WT% | XRF | |
| FE2O3 | 1.87848 | WT% | XRF | |
| MGO | 0.297161 | WT% | XRF | |
| CAO | 0.0424516 | WT% | XRF | |
| NA2O | 1.83603 | WT% | XRF | |
| K2O | 2.64261 | WT% | XRF | |
| P2O5 | 5.74158 | WT% | XRF | |
| MNO | 0.106129 | WT% | XRF | |
| LOI | 5.76 | WT% | XRF | |
| TOTAL | 99.74 | WT% | XRF | |
| ZN | 47 | PPM | XRF | |
| RB | 109 | PPM | XRF | |
| SR | 170 | PPM | XRF | |
| Y | 30 | PPM | XRF | |
| ZR | 237 | PPM | XRF | |
| NB | 24 | PPM | XRF | |
| PB | 28 | PPM | XRF | |
| TH | 10 | PPM | XRF | |
| BA | 337 | PPM | XRF | |
| LA | 77 | PPM | XRF | |
| CE | 136 | PPM | XRF | |
| ND | 55 | PPM | XRF | |
| CU | -2 | PPM | XRF | |
| V | 20 | PPM | XRF | |
| U | 4 | PPM | XRF | |
| CR | 4 | PPM | XRF | |
| CS | 6 | PPM | XRF | |
| GA | 17 | PPM | XRF | |
| NI | 7 | PPM | XRF |