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Sample LR89-007
NavDat sample number 45874 · PYROCLASTIC-FLOW
Sample
| Sample ID | LR89-007 |
|---|
| Rock name | PYROCLASTIC-FLOW |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.921 |
|---|
| Longitude | -106.916 |
|---|
| Location | Nelson Mtn SE Ridge |
|---|
| State / province | COLORADO |
|---|
| Formation | Rat Creek Caldera Cycle, Rat Creek Tuff, upper welded 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 | 64.42 | | WT% | XRF |
| TIO2 | 0.642588 | | WT% | XRF |
| AL2O3 | 16.0245 | | WT% | XRF |
| FE2O3 | 5.35155 | | WT% | XRF |
| MGO | 1.14461 | | WT% | XRF |
| CAO | 3.65472 | | WT% | XRF |
| NA2O | 3.76517 | | WT% | XRF |
| K2O | 3.94589 | | WT% | XRF |
| P2O5 | 0.271092 | | WT% | XRF |
| MNO | 0.090364 | | WT% | XRF |
| LOI | 0.4 | | WT% | XRF |
| TOTAL | 99.2202 | | WT% | XRF |
| ZN | 85 | | PPM | XRF |
| RB | 102 | | PPM | XRF |
| SR | 610 | | PPM | XRF |
| Y | 29 | | PPM | XRF |
| ZR | 199 | | PPM | XRF |
| NB | 15 | | PPM | XRF |
| PB | 41 | | PPM | XRF |
| TH | 9 | | PPM | XRF |
| BA | 1122 | | PPM | XRF |
| LA | 53 | | PPM | XRF |
| CE | 87 | | PPM | XRF |
| ND | 43 | | PPM | XRF |
