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Sample OM-55
NavDat sample number 32817 · RHYOLITE
Sample
| Sample ID | OM-55 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | lithophyssal with phenos of K-feld, qtz, and hematitic pseudomorphs after cpx; thin carbonate film lines some lithophysae |
|---|
Location
| Latitude | 43.3607 |
|---|
| Longitude | -116.744 |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Tuff of Wilson Creek |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 11 |
|
9.9 |
12.1 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 74.02 | | WT% | XRF |
| AL2O3 | 11.99 | | WT% | XRF |
| FE2O3 | 1.17 | | WT% | XRF |
| FEO | 0.13 | | WT% | XRF |
| MGO | 0.13 | | WT% | XRF |
| CAO | 0.9 | | WT% | XRF |
| NA2O | 3.46 | | WT% | XRF |
| K2O | 5.01 | | WT% | XRF |
| H2O_PLUS | 0.54 | | WT% | XRF |
| H2O_MINUS | 0.44 | | WT% | XRF |
| TIO2 | 0.11 | | WT% | XRF |
| P2O5 | 0.04 | | WT% | XRF |
| MNO | 0 | | WT% | XRF |
| CO2 | 1.18 | | WT% | XRF |
| TOTAL | 99.13 | | WT% | XRF |
