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Sample LR88-540
NavDat sample number 46031 · RHYOLITE
Sample
| Sample ID | LR88-540 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.896 |
|---|
| Longitude | -106.908 |
|---|
| Location | First Fork, Willow Ck., 10,160', base of main cliff |
|---|
| State / province | COLORADO |
|---|
| Formation | Bachelor Caldera Cycle, Intracaldera Bachelor Member |
|---|
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 | 72.12 | | WT% | XRF |
| TIO2 | 0.257564 | | WT% | XRF |
| AL2O3 | 13.9085 | | WT% | XRF |
| FE2O3 | 2.29747 | | WT% | XRF |
| MGO | 0.412102 | | WT% | XRF |
| CAO | 1.27752 | | WT% | XRF |
| NA2O | 3.84285 | | WT% | XRF |
| K2O | 4.8422 | | WT% | XRF |
| P2O5 | 0.0721179 | | WT% | XRF |
| MNO | 0.0618153 | | WT% | XRF |
| LOI | 2.91 | | WT% | XRF |
| TOTAL | 99.0921 | | WT% | XRF |
