Sample 13
NavDat sample number 10579 · RHYODACITE
Sample
| Sample ID | 13 |
|---|---|
| Rock name | RHYODACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
Location
| Latitude | 44.5746 |
|---|---|
| Longitude | -114.595 |
| Location | eastern Salmon River Mountains |
| State / province | Idaho |
| Volcanic field | unnamed Challis rhyodacite lava |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 49.3 | 47.9 | 50.7 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 61.7 | WT% | UNKNOWN | |
| AL2O3 | 15.8 | WT% | UNKNOWN | |
| FE2O3 | 3.4 | WT% | UNKNOWN | |
| FEO | 1.6 | WT% | UNKNOWN | |
| MGO | 2.7 | WT% | UNKNOWN | |
| CAO | 4.5 | WT% | UNKNOWN | |
| NA2O | 3 | WT% | UNKNOWN | |
| K2O | 3.2 | WT% | UNKNOWN | |
| H2O_PLUS | 2 | WT% | UNKNOWN | |
| H2O_MINUS | 1.6 | WT% | UNKNOWN | |
| TIO2 | 0.7 | WT% | UNKNOWN | |
| P2O5 | 0.32 | WT% | UNKNOWN | |
| MNO | 0.08 | WT% | UNKNOWN | |
| CO2 | 0.05 | WT% | UNKNOWN | |
| TOTAL | 100.65 | WT% | UNKNOWN |