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Sample H-9-41
NavDat sample number 8951 · RHYOLITE
Sample
| Sample ID | H-9-41 |
|---|
| Rock name | RHYOLITE |
|---|
| Rock type | VOLCANIC |
|---|
| Composition | FELSIC |
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| Material | IGNEOUS |
|---|
| Comment | RHYOLITE COMPOSED OF FELDSPAR DOMINANTLY SANIDINE, PYROXENES, AND OXIDE PHENOCRYSTS IN A GLASSY, FELSITI3 MATRIX |
|---|
Location
| Latitude | 43.0056 |
|---|
| Longitude | -117.221 |
|---|
| Location | uplifted rim of older silicic material bordered on SW by young alkaline basalt along Cow Lakes Road, west of Jordan Valley |
|---|
| State / province | Oregon |
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| Volcanic field | Western Snake River Plain |
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Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|
| 14.38 |
|
13.68 |
15.08 |
|
|
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|
| SIO2 | 72.47 | | WT% | XRF |
| TIO2 | 0.45 | | WT% | XRF |
| AL2O3 | 12.77 | | WT% | XRF |
| FE2O3 | 2.32 | | WT% | XRF |
| FEO | 0.96 | | WT% | XRF |
| MNO | 0.05 | | WT% | XRF |
| MGO | 0.2 | | WT% | XRF |
| CAO | 1.04 | | WT% | XRF |
| NA2O | 3.2 | | WT% | XRF |
| K2O | 5.06 | | WT% | XRF |
| P2O5 | 0.09 | | WT% | XRF |
| LOI | 1.13 | | WT% | XRF |
| TOTAL | 99.94 | | WT% | XRF |
| RB | 172 | | PPM | XRF |
| SR | 88 | | PPM | XRF |
| BA | 1478 | | PPM | XRF |
| ZR | 484 | | PPM | XRF |
| V | 35 | | PPM | XRF |
| Y | 73 | | PPM | XRF |
