Sample MM 829B
NavDat sample number 3523 · RHYODACITE
Sample
| Sample ID | MM 829B |
|---|---|
| Rock name | RHYODACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Rhyodacite obsidian flow north of O'Leary Pak, NE 1/4, NE 1/4, sec 3, T23N, R8E, O'Leary Peak 7.5' quadrangle Arizona |
Location
| Latitude | 35.4114 |
|---|---|
| Longitude | -111.526 |
| State / province | Arizona |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 0.45 | 0.2 | 0.7 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 67.7 | WT% | RAPID_ROCK | |
| TIO2 | 0.33 | WT% | RAPID_ROCK | |
| AL2O3 | 15.6 | WT% | RAPID_ROCK | |
| FE2O3 | 1.92 | WT% | RAPID_ROCK | |
| FEO | 2.19 | WT% | RAPID_ROCK | |
| MNO | 0.13 | WT% | RAPID_ROCK | |
| MGO | 0.8 | WT% | RAPID_ROCK | |
| CAO | 2.2 | WT% | RAPID_ROCK | |
| NA2O | 5.7 | WT% | RAPID_ROCK | |
| K2O | 2.8 | WT% | RAPID_ROCK | |
| P2O5 | 0.15 | WT% | RAPID_ROCK | |
| H2O | 0 | WT% | RAPID_ROCK | |
| H2O_MINUS | 0.13 | WT% | RAPID_ROCK | |
| CO2 | 0 | WT% | RAPID_ROCK | |
| TOTAL | 99.65 | WT% | RAPID_ROCK |