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Sample 89L-162
NavDat sample number 45863 · DACITE
Sample
| Sample ID | 89L-162 |
|---|
| Rock name | DACITE |
|---|
| Rock type | PLUTONIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 37.981 |
|---|
| Longitude | -107.028 |
|---|
| Location | E. Fork Mineral Creek |
|---|
| State / province | COLORADO |
|---|
| Formation | Rat Creek Caldera Cycle, Mineral Creek Dacite, massive lower flow or intrusion |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 26.6 |
|
26.1 |
27 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 60.44 | | WT% | XRF |
| TIO2 | 0.866067 | | WT% | XRF |
| AL2O3 | 16.7081 | | WT% | XRF |
| FE2O3 | 6.52545 | | WT% | XRF |
| MGO | 2.4855 | | WT% | XRF |
| CAO | 4.84612 | | WT% | XRF |
| NA2O | 3.47645 | | WT% | XRF |
| K2O | 3.6318 | | WT% | XRF |
| P2O5 | 0.346224 | | WT% | XRF |
| MNO | 0.09544 | | WT% | XRF |
| LOI | 1.5 | | WT% | XRF |
| TOTAL | 99.418 | | WT% | XRF |
