Sample SFO 15
NavDat sample number 4116 · DACITE
Sample
| Sample ID | SFO 15 |
|---|---|
| Rock name | DACITE |
| Rock type | VOLCANIC |
| Composition | FELSIC |
| Material | IGNEOUS |
| Comment | Dacite, San Francisco Mountain , SW 1/4 SE 1/4 sec 29 T23N, R7E, Humphreys Peak 7.5' quadrangle, Arizona |
Location
| Latitude | 35.342 |
|---|---|
| Longitude | -111.677 |
| State / province | Arizona |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 1.9 | 0.8 | 3 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 64.1 | WT% | RAPID_ROCK | |
| TIO2 | 0.66 | WT% | RAPID_ROCK | |
| AL2O3 | 16.5 | WT% | RAPID_ROCK | |
| FE2O3 | 2.1 | WT% | RAPID_ROCK | |
| FEO | 2.7 | WT% | RAPID_ROCK | |
| MNO | 0.13 | WT% | RAPID_ROCK | |
| MGO | 1.3 | WT% | RAPID_ROCK | |
| CAO | 3.1 | WT% | RAPID_ROCK | |
| NA2O | 5.8 | WT% | RAPID_ROCK | |
| K2O | 3.2 | WT% | RAPID_ROCK | |
| P2O5 | 0.29 | WT% | RAPID_ROCK | |
| H2O | 0.34 | WT% | RAPID_ROCK | |
| H2O_MINUS | 0.12 | WT% | RAPID_ROCK | |
| CO2 | 0 | WT% | RAPID_ROCK | |
| TOTAL | 100.43 | WT% | RAPID_ROCK | |
| SR | 551 | PPM | TIMS | |
| SR87_SR86 | 0.7039 | TIMS |