Sample Y-54-599
NavDat sample number 12087 · RHYOLITE
Sample
| Sample ID | Y-54-599 |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | few phenos, flow laminated; silicification and albitization evident |
Location
| Latitude | 45.06 |
|---|---|
| Longitude | -115.313 |
| State / province | Idaho |
| Volcanic field | Challis Volcanics; Thunder Mountain cauldron complex |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 47 | 45 | 49 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 74.4 | WT% | UNKNOWN | |
| AL2O3 | 14 | WT% | UNKNOWN | |
| FE2O3 | 1.6 | WT% | UNKNOWN | |
| FEO | 1 | WT% | UNKNOWN | |
| MGO | 0 | WT% | UNKNOWN | |
| CAO | 0.38 | WT% | UNKNOWN | |
| NA2O | 3.7 | WT% | UNKNOWN | |
| K2O | 5.1 | WT% | UNKNOWN | |
| H2O_PLUS | 0.52 | WT% | UNKNOWN | |
| H2O_MINUS | 0.07 | WT% | UNKNOWN | |
| TIO2 | 0.11 | WT% | UNKNOWN | |
| P2O5 | 0.09 | WT% | UNKNOWN | |
| MNO | 0.03 | WT% | UNKNOWN | |
| CO2 | 0.27 | WT% | UNKNOWN | |
| TOTAL | 101.29 | WT% | UNKNOWN | |
| CL | 0.02 | WT% | UNKNOWN | |
| F | 0 | WT% | UNKNOWN |