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Sample H-9-10
NavDat sample number 8947 · RHYOLITE
Sample
| Sample ID | H-9-10 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | RHYOLITE FLOW WITH OLIGOCLASE, ORTHOCLASE, QUARTZ, AND HIGHLY OXIDIZED MAFICS IN A MATRIX OF GLASS, MICROLITES, ETC |
|---|
Location
| Latitude | 42.3125 |
|---|
| Longitude | -115.908 |
|---|
| Location | silicic flow cut by Highway 51 south of Grassmere |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Western Snake River Plain |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 11.65 |
|
11.12 |
12.18 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 75.82 | | WT% | XRF |
| TIO2 | 0.35 | | WT% | XRF |
| AL2O3 | 12.05 | | WT% | XRF |
| FE2O3 | 2.02 | | WT% | XRF |
| FEO | 0.96 | | WT% | XRF |
| MNO | 0.01 | | WT% | XRF |
| MGO | 0 | | WT% | XRF |
| CAO | 0.65 | | WT% | XRF |
| NA2O | 3.07 | | WT% | XRF |
| K2O | 5.17 | | WT% | XRF |
| P2O5 | 0.03 | | WT% | XRF |
| LOI | 0.57 | | WT% | XRF |
| TOTAL | 100.7 | | WT% | XRF |
| RB | 178 | | PPM | XRF |
| SR | 58 | | PPM | XRF |
| BA | 1275 | | PPM | XRF |
| ZR | 567 | | PPM | XRF |
| V | 23 | | PPM | XRF |
| Y | 121 | | PPM | XRF |
