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Sample OM-5
NavDat sample number 32809 · RHYOLITE
Sample
| Sample ID | OM-5 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | phenocrysts of plag and hypersthene |
|---|
Location
| Latitude | 43.1319 |
|---|
| Longitude | -116.664 |
|---|
| Location | saddle of ridge west of Brunzell Spring |
|---|
| State / province | Idaho |
|---|
| Volcanic field | rhyolite of Black Mountain |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 15.7 |
|
15.2 |
16.2 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 74.98 | | WT% | XRF |
| AL2O3 | 12.8 | | WT% | XRF |
| FE2O3 | 1.24 | | WT% | XRF |
| FEO | 0.54 | | WT% | XRF |
| MGO | 0.03 | | WT% | XRF |
| CAO | 1.4 | | WT% | XRF |
| NA2O | 3.11 | | WT% | XRF |
| K2O | 4.97 | | WT% | XRF |
| H2O_PLUS | 0.16 | | WT% | XRF |
| H2O_MINUS | 0.34 | | WT% | XRF |
| TIO2 | 0.33 | | WT% | XRF |
| P2O5 | 0.06 | | WT% | XRF |
| MNO | 0.03 | | WT% | XRF |
| CO2 | 0.06 | | WT% | XRF |
| TOTAL | 100.06 | | WT% | XRF |
