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Sample H-9-6C
NavDat sample number 8945 · RHYOLITE
Sample
| Sample ID | H-9-6C |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
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| Material | IGNEOUS |
|---|
| Comment | RHYOLITE HAS A GLASSY TO CRYPTOCRYSTALLINE GROUNDMASS WITH CRYSTALS OF FELDSPAR, AUGITE, QUARTZ, OXIDE, AND ZIRCON |
|---|
Location
| Latitude | 42.0292 |
|---|
| Longitude | -115.367 |
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| Location | basal silicic material underlying mixed basalt, sediment, and talus along East Fork of Jarbidge River at Murphy Hot Springs |
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| State / province | Idaho |
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| Volcanic field | Western Snake River Plain |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 8.22 |
|
7.84 |
8.6 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 72.07 | | WT% | XRF |
| TIO2 | 0.53 | | WT% | XRF |
| AL2O3 | 12.75 | | WT% | XRF |
| FE2O3 | 2.98 | | WT% | XRF |
| FEO | 1.32 | | WT% | XRF |
| MNO | 0.05 | | WT% | XRF |
| MGO | 0.26 | | WT% | XRF |
| CAO | 1.39 | | WT% | XRF |
| NA2O | 3.07 | | WT% | XRF |
| K2O | 4.65 | | WT% | XRF |
| P2O5 | 0.1 | | WT% | XRF |
| LOI | 1.02 | | WT% | XRF |
| TOTAL | 100.32 | | WT% | XRF |
| RB | 155 | | PPM | XRF |
| SR | 114 | | PPM | XRF |
| BA | 1200 | | PPM | XRF |
| ZR | 570 | | PPM | XRF |
| V | 23 | | PPM | XRF |
| Y | 73 | | PPM | XRF |
