← Search
Sample H-9-3A
NavDat sample number 8944 · RHYOLITE
Sample
| Sample ID | H-9-3A |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | RHYOLITE MICROPHENOCRYSTS OF ANDESINE, SANIDINE, CLINOPYROXENE, OXIDE, AND QUARTZ IN A GLASS GROUNDMASS UNDERLYING BASALT |
|---|
Location
| Latitude | 42.2139 |
|---|
| Longitude | -114.731 |
|---|
| Location | basal silicic material underlying basalt at Salmon Creek Reservoir |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Western Snake River Plain |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 7.62 |
|
7.22 |
8.02 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 72.56 | | WT% | XRF |
| TIO2 | 0.35 | | WT% | XRF |
| AL2O3 | 11.66 | | WT% | XRF |
| FE2O3 | 0.77 | | WT% | XRF |
| FEO | 1.92 | | WT% | XRF |
| MNO | 0.04 | | WT% | XRF |
| MGO | 0.18 | | WT% | XRF |
| CAO | 0.89 | | WT% | XRF |
| NA2O | 2.78 | | WT% | XRF |
| K2O | 5.43 | | WT% | XRF |
| P2O5 | 0.05 | | WT% | XRF |
| LOI | 3.87 | | WT% | XRF |
| TOTAL | 100.5 | | WT% | XRF |
| RB | 173 | | PPM | XRF |
| SR | 46 | | PPM | XRF |
| BA | 1125 | | PPM | XRF |
| ZR | 500 | | PPM | XRF |
| V | 9 | | PPM | XRF |
| Y | 87 | | PPM | XRF |
