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Sample 57
NavDat sample number 11040 · DACITE
Sample
| Sample ID | 57 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
Location
| Latitude | 44.43 |
|---|
| Longitude | -115.18 |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Eocene dike rocks |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 48 |
|
44 |
52 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 65 | | WT% | XRF |
| AL2O3 | 15.4 | | WT% | XRF |
| FE2O3 | 1.73 | | WT% | XRF |
| FEO | 2.37 | | WT% | XRF |
| MGO | 2.31 | | WT% | XRF |
| CAO | 4.05 | | WT% | XRF |
| NA2O | 3.09 | | WT% | XRF |
| K2O | 3.3 | | WT% | XRF |
| TIO2 | 0.61 | | WT% | XRF |
| P2O5 | 0.21 | | WT% | XRF |
| MNO | 0.07 | | WT% | XRF |
| LOI | 0.74 | | WT% | XRF |
| TOTAL | 98.88 | | WT% | XRF |
