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Sample 89-107
NavDat sample number 48403 · RHYOLITE
Sample
| Sample ID | 89-107 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | crystalline; reinterpreted as a lava flow |
|---|
Location
| Latitude | 42.5964 |
|---|
| Longitude | -117.993 |
|---|
| Location | North Fork Crossing |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Juniper Mountain volcanic center, Swisher Mountain Tuff, upper unit |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 14.1 |
|
14.04 |
14.16 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 74.5 | | WT% | XRF |
| TIO2 | 0.42 | | WT% | XRF |
| AL2O3 | 12.9 | | WT% | XRF |
| FEOT | 2.71 | | WT% | XRF |
| MNO | 0.01 | | WT% | XRF |
| MGO | 0 | | WT% | XRF |
| CAO | 0.7 | | WT% | XRF |
| NA2O | 3.19 | | WT% | XRF |
| K2O | 5.5 | | WT% | XRF |
| P2O5 | 0.04 | | WT% | XRF |
| BA | 1109 | | PPM | XRF |
| RB | 195 | | PPM | XRF |
| SR | 64 | | PPM | XRF |
| ZR | 443 | | PPM | XRF |
