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Sample 85L-29H
NavDat sample number 45872 · PYROCLASTIC-FLOW
Sample
| Sample ID | 85L-29H |
|---|
| Rock name | PYROCLASTIC-FLOW |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.916 |
|---|
| Longitude | -106.92 |
|---|
| Location | Nelson Mtn SE Ridge |
|---|
| 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 | 65.34 | | WT% | XRF |
| TIO2 | 0.588344 | | WT% | XRF |
| AL2O3 | 17.3036 | | WT% | XRF |
| FE2O3 | 3.83474 | | WT% | XRF |
| MGO | 2.23781 | | WT% | XRF |
| CAO | 3.54057 | | WT% | XRF |
| NA2O | 3.38298 | | WT% | XRF |
| K2O | 3.53006 | | WT% | XRF |
| P2O5 | 0.199617 | | WT% | XRF |
| MNO | 0.0945553 | | WT% | XRF |
| LOI | 4.82 | | WT% | XRF |
| TOTAL | 100.05 | | WT% | XRF |
| ZN | 69 | | PPM | XRF |
| RB | 103 | | PPM | XRF |
| SR | 650 | | PPM | XRF |
| Y | 25 | | PPM | XRF |
| ZR | 344 | | PPM | XRF |
| NB | 13 | | PPM | XRF |
| PB | 35 | | PPM | XRF |
| NI | 35 | | PPM | XRF |
