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Sample 85L-33A
NavDat sample number 45887 · PYROCLASTIC-FALL
Sample
| Sample ID | 85L-33A |
|---|
| Rock name | PYROCLASTIC-FALL |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 38.06 |
|---|
| Longitude | -107.076 |
|---|
| Location | Cebolla Creek |
|---|
| State / province | COLORADO |
|---|
| Formation | Rat Creek Caldera Cycle, Rat Creek Tuff |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 26.6 |
|
26.1 |
27 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 69.35 | | WT% | XRF |
| TIO2 | 0.332463 | | WT% | XRF |
| AL2O3 | 15.9693 | | WT% | XRF |
| FE2O3 | 1.64015 | | WT% | XRF |
| MGO | 1.10821 | | WT% | XRF |
| CAO | 3.76791 | | WT% | XRF |
| NA2O | 2.71512 | | WT% | XRF |
| K2O | 4.68773 | | WT% | XRF |
| P2O5 | 0.0664926 | | WT% | XRF |
| MNO | 0.110821 | | WT% | XRF |
| LOI | 9.74 | | WT% | XRF |
| TOTAL | 99.75 | | WT% | XRF |
| ZN | 58 | | PPM | XRF |
| RB | 124 | | PPM | XRF |
| SR | 430 | | PPM | XRF |
| Y | 28 | | PPM | XRF |
| ZR | 182 | | PPM | XRF |
| NB | 22 | | PPM | XRF |
| PB | 36 | | PPM | XRF |
| CU | 33 | | PPM | XRF |
| NI | 39 | | PPM | XRF |
