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Sample BE-25
NavDat sample number 32822 · RHYOLITE
Sample
| Sample ID | BE-25 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | phenos of plag, K-feld, altered pigeonite, and ox |
|---|
Location
| Latitude | 42.6037 |
|---|
| Longitude | -116.559 |
|---|
| Location | 0.8 km west of BLM camp at Mud Flat and west of road to Juniper Mountain |
|---|
| State / province | Idaho |
|---|
| Volcanic field | devitrified Swisher Mountain Tuff |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 13.85 |
|
12.465 |
15.235 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 71.13 | | WT% | XRF |
| AL2O3 | 13.37 | | WT% | XRF |
| FE2O3 | 2.9 | | WT% | XRF |
| FEO | 0.49 | | WT% | XRF |
| MGO | 0.19 | | WT% | XRF |
| CAO | 1.16 | | WT% | XRF |
| NA2O | 3.26 | | WT% | XRF |
| K2O | 5.22 | | WT% | XRF |
| H2O_PLUS | 0.54 | | WT% | XRF |
| H2O_MINUS | 0.57 | | WT% | XRF |
| TIO2 | 0.56 | | WT% | XRF |
| P2O5 | 0.1 | | WT% | XRF |
| MNO | 0.037 | | WT% | XRF |
| CO2 | 0.02 | | WT% | XRF |
| TOTAL | 99.55 | | WT% | XRF |
