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Sample 89L-151
NavDat sample number 45997 · DACITE
Sample
| Sample ID | 89L-151 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.847 |
|---|
| Longitude | -107.012 |
|---|
| Location | Shallow Creek |
|---|
| State / province | COLORADO |
|---|
| Formation | Bachelor Caldera Cycle, near transition to vent intrusion |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 27.3 |
|
27.2 |
27.35 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 67.42 | | WT% | XRF |
| TIO2 | 0.505507 | | WT% | XRF |
| AL2O3 | 19.1854 | | WT% | XRF |
| FE2O3 | 0.453607 | | WT% | XRF |
| MGO | 0.18684 | | WT% | XRF |
| CAO | 0.493051 | | WT% | XRF |
| NA2O | 2.43308 | | WT% | XRF |
| K2O | 7.88362 | | WT% | XRF |
| P2O5 | 0.0394441 | | WT% | XRF |
| MNO | 0.002076 | | WT% | XRF |
| LOI | 3.61 | | WT% | XRF |
| TOTAL | 98.606 | | WT% | XRF |
