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Sample OM-33
NavDat sample number 32818 · RHYOLITE
Sample
| Sample ID | OM-33 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | slightly lithophysal with phenos of quartz and K-feldspar |
|---|
Location
| Latitude | 43.3127 |
|---|
| Longitude | -116.666 |
|---|
| Location | near Reynolds Creek? |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Tuff of Browns Creek |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 11.4 |
|
10.8 |
12 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 75.95 | | WT% | XRF |
| AL2O3 | 12.23 | | WT% | XRF |
| FE2O3 | 1.17 | | WT% | XRF |
| FEO | 0.1 | | WT% | XRF |
| MGO | 0 | | WT% | XRF |
| CAO | 0.74 | | WT% | XRF |
| NA2O | 3.29 | | WT% | XRF |
| K2O | 5.57 | | WT% | XRF |
| H2O_PLUS | 0.44 | | WT% | XRF |
| H2O_MINUS | 0.18 | | WT% | XRF |
| TIO2 | 0.17 | | WT% | XRF |
| P2O5 | 0.05 | | WT% | XRF |
| MNO | 0.01 | | WT% | XRF |
| CO2 | 0.35 | | WT% | XRF |
| TOTAL | 100.25 | | WT% | XRF |
