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Sample LR88-585
NavDat sample number 30153 · PYROCLASTIC-FALL
Sample
| Sample ID | LR88-585 |
|---|
| Rock name | PYROCLASTIC-FALL |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.5564 |
|---|
| Longitude | -106.689 |
|---|
| Location | Ribbon Mesa |
|---|
| State / province | COLORADO |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 27.35 |
|
27.25 |
27.45 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 74.99 | | WT% | XRF |
| TIO2 | 0.2 | | WT% | XRF |
| AL2O3 | 13.57 | | WT% | XRF |
| FE2O3 | 1.54 | | WT% | XRF |
| MGO | 0.21 | | WT% | XRF |
| CAO | 0.77 | | WT% | XRF |
| NA2O | 2.98 | | WT% | XRF |
| K2O | 6.31 | | WT% | XRF |
| P2O5 | 0.07 | | WT% | XRF |
| MNO | 0.02 | | WT% | XRF |
| LOI | 3.23 | | WT% | XRF |
| TOTAL | 100.65 | | WT% | XRF |
