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Sample 87-127
NavDat sample number 16959 · PYROCLASTIC-FLOW
Sample
| Sample ID | 87-127 |
|---|
| Rock name | PYROCLASTIC-FLOW |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
Location
| Latitude | 37.747 |
|---|
| Longitude | -106.749 |
|---|
| Location | Palisades, north of Rio Grande, 8920' |
|---|
| State / province | COLORADO |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
| 27.2 |
|
27.1 |
27.3 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
| SIO2 | 64.188 | | WT% | XRF |
| TIO2 | 0.786018 | | WT% | XRF |
| AL2O3 | 17.7722 | | WT% | XRF |
| FE2O3 | 4.01175 | | WT% | XRF |
| MGO | 2.2968 | | WT% | XRF |
| CAO | 4.84881 | | WT% | XRF |
| NA2O | 3.62385 | | WT% | XRF |
| K2O | 4.14446 | | WT% | XRF |
| P2O5 | 0.326657 | | WT% | XRF |
| MNO | 0.0714561 | | WT% | XRF |
| LOI | 1.87 | | WT% | XRF |
| TOTAL | 102.07 | | WT% | XRF |
| ZN | 61 | | PPM | XRF |
| RB | 113 | | PPM | XRF |
| SR | 632 | | PPM | XRF |
| Y | 25 | | PPM | XRF |
| ZR | 255 | | PPM | XRF |
| BA | 1237 | | PPM | XRF |
| LA | 38 | | PPM | XRF |
| CE | 71 | | PPM | XRF |
| CU | 19 | | PPM | XRF |
| V | 59 | | PPM | XRF |