Sample BF691B
NavDat sample number 15117 · RHYOLITE
Sample
| Sample ID | BF691B |
|---|---|
| Rock name | RHYOLITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 43.1361 |
|---|---|
| Longitude | -112.3 |
| State / province | Idaho |
| Volcanic field | Rhyolite of Stevens Peak |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 9.8 | 8.82 | 10.78 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 74.5 | WT% | UNKNOWN | |
| AL2O3 | 12.4 | WT% | UNKNOWN | |
| FEO | 0.23 | WT% | UNKNOWN | |
| FE2O3 | 1.55 | WT% | UNKNOWN | |
| MGO | 0.42 | WT% | UNKNOWN | |
| CAO | 1.22 | WT% | UNKNOWN | |
| NA2O | 3.5 | WT% | UNKNOWN | |
| K2O | 4.74 | WT% | UNKNOWN | |
| TIO2 | 0.48 | WT% | UNKNOWN | |
| P2O5 | 0.05 | WT% | UNKNOWN | |
| MNO | 0.07 | WT% | UNKNOWN | |
| H2O_PLUS | 0.19 | WT% | UNKNOWN | |
| H2O_MINUS | 0.26 | WT% | UNKNOWN | |
| CO2 | 0.27 | WT% | UNKNOWN | |
| TOTAL | 99.88 | WT% | UNKNOWN |