Sample 638
NavDat sample number 7074 · ANDESITE
Sample
| Sample ID | 638 |
|---|---|
| Alternate ID | 426 |
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 20.675 |
|---|---|
| Longitude | -103.836 |
| Location | Cerro Tomasillo |
| State / province | Mexico |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 2 | 1 | 3 | Quaternary |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 59.58 | WT% | UNKNOWN | |
| TIO2 | 1.02 | WT% | UNKNOWN | |
| AL2O3 | 17.27 | WT% | UNKNOWN | |
| FE2O3 | 0.94 | WT% | UNKNOWN | |
| FEO | 4.68 | WT% | UNKNOWN | |
| MNO | 0.11 | WT% | UNKNOWN | |
| MGO | 3.36 | WT% | UNKNOWN | |
| CAO | 5.49 | WT% | UNKNOWN | |
| NA2O | 3.91 | WT% | UNKNOWN | |
| K2O | 1.93 | WT% | UNKNOWN | |
| P2O5 | 0.34 | WT% | UNKNOWN | |
| H2O_PLUS | 0.49 | WT% | UNKNOWN | |
| H2O_MINUS | 0.18 | WT% | UNKNOWN | |
| TOTAL | 99.3 | WT% | UNKNOWN | |
| S | 99.3 | UNKNOWN | ||
| SUMA_100 | 0.7 | WT% | UNKNOWN |