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Sample OT-707-75
NavDat sample number 46005 · PYROCLASTIC-FALL
Sample
| Sample ID | OT-707-75 |
|---|
| Rock name | PYROCLASTIC-FALL |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.835 |
|---|
| Longitude | -107.184 |
|---|
| Location | Brown Lakes Section |
|---|
| State / province | COLORADO |
|---|
| Formation | Bachelor Caldera Cycle, Carpenter Ridge Tuff, basal vitrophyre |
|---|
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 | 75.98 | | WT% | XRF |
| TIO2 | 0.298988 | | WT% | XRF |
| AL2O3 | 14.1659 | | WT% | XRF |
| FE2O3 | 1.29905 | | WT% | XRF |
| MGO | 0.103099 | | WT% | XRF |
| CAO | 0.917584 | | WT% | XRF |
| NA2O | 3.46414 | | WT% | XRF |
| K2O | 5.46427 | | WT% | XRF |
| P2O5 | 0.0824795 | | WT% | XRF |
| MNO | 0.0103099 | | WT% | XRF |
| LOI | 3.06 | | WT% | XRF |
| TOTAL | 101.786 | | WT% | XRF |
