← Search
Sample H-9-11
NavDat sample number 8948 · RHYOLITE
Sample
| Sample ID | H-9-11 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
|---|
| Material | IGNEOUS |
|---|
| Comment | RHYOLITE FLOW COMPOSED OF PLAGIOCLASE AND CLINOPYROXENE PHENOCRYSTS IN A GLASSY, FELSITIC MATRIX |
|---|
Location
| Latitude | 42.5833 |
|---|
| Longitude | -115.908 |
|---|
| Location | flow cut by Highway 51; approximately43.5 miles north of NV-ID border |
|---|
| State / province | Idaho |
|---|
| Volcanic field | Western Snake River Plain |
|---|
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 9.88 |
|
9.42 |
10.34 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 70.65 | | WT% | XRF |
| TIO2 | 0.67 | | WT% | XRF |
| AL2O3 | 13.39 | | WT% | XRF |
| FE2O3 | 3.2 | | WT% | XRF |
| FEO | 2.08 | | WT% | XRF |
| MNO | 0.11 | | WT% | XRF |
| MGO | 0.48 | | WT% | XRF |
| CAO | 2.32 | | WT% | XRF |
| NA2O | 3.25 | | WT% | XRF |
| K2O | 4.02 | | WT% | XRF |
| P2O5 | 0.14 | | WT% | XRF |
| LOI | 0.63 | | WT% | XRF |
| TOTAL | 100.94 | | WT% | XRF |
| RB | 137 | | PPM | XRF |
| SR | 157 | | PPM | XRF |
| BA | 1133 | | PPM | XRF |
| ZR | 563 | | PPM | XRF |
| V | 39 | | PPM | XRF |
| Y | 88 | | PPM | XRF |
