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Sample E62989-8
NavDat sample number 51164 · DACITE
Sample
| Sample ID | E62989-8 |
|---|
| Rock name | DACITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Collected by | Bruce Eversmeyer |
|---|
Location
| Latitude | 45.7196 |
|---|
| Longitude | -115.276 |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Challis volcanics |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 47 |
|
43 |
52 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 67.8 | | WT% | XRF |
| TIO2 | 0.39 | | WT% | XRF |
| AL2O3 | 15.1 | | WT% | XRF |
| FEOT | 2.98 | | WT% | XRF |
| MNO | 0.06 | | WT% | XRF |
| MGO | 0.77 | | WT% | XRF |
| CAO | 2.79 | | WT% | XRF |
| NA2O | 3.77 | | WT% | XRF |
| K2O | 3.79 | | WT% | XRF |
| P2O5 | 0.17 | | WT% | XRF |
| TOTAL | 97.62 | | WT% | XRF |
| LOI | 0.45 | | WT% | XRF |
| FEO | 1.78 | | WT% | TIT |
| FE2O3 | 1.33 | | WT% | TIT |
| BA | 1100 | | PPM | XRF |
| RB | 140 | | PPM | XRF |
| SR | 380 | | PPM | XRF |
| ZR | 135 | | PPM | XRF |
| Y | -5 | | PPM | XRF |
| NB | 8 | | PPM | XRF |
