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Sample 97L-23
NavDat sample number 46095 · PYROCLASTIC FLOW
Sample
| Sample ID | 97L-23 |
|---|
| Rock name | PYROCLASTIC FLOW |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.449 |
|---|
| Longitude | -106.97 |
|---|
| Location | Omaha Ck. |
|---|
| State / province | COLORADO |
|---|
| Formation | western San Juan units, Ute Ridge Tuff |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 28.67 |
|
28.63 |
28.68 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 71.03 | | WT% | XRF |
| TIO2 | 0.487499 | | WT% | XRF |
| AL2O3 | 14.6371 | | WT% | XRF |
| FE2O3 | 2.7126 | | WT% | XRF |
| MGO | 0.306457 | | WT% | XRF |
| CAO | 2.24331 | | WT% | XRF |
| NA2O | 3.4924 | | WT% | XRF |
| K2O | 4.18117 | | WT% | XRF |
| P2O5 | 0.165871 | | WT% | XRF |
| MNO | 0.0303423 | | WT% | XRF |
| LOI | 1.12 | | WT% | XRF |
| TOTAL | 99.285 | | WT% | XRF |
| RB | 89 | | PPM | XRF |
| SR | 495 | | PPM | XRF |
| Y | 15 | | PPM | XRF |
| ZR | 227 | | PPM | XRF |
| NB | 15 | | PPM | XRF |
| BA | 931 | | PPM | XRF |
