Sample J-35
NavDat sample number 123241 · ANDESITE
Sample
| Sample ID | J-35 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Round Mountain summit |
Location
| Latitude | 32.666 |
|---|---|
| Longitude | -116.167 |
| Location | Jacumba |
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 15.6 | 11.2 | 20 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 62.25 | WT% | UNKNOWN | |
| TIO2 | 0.89 | WT% | UNKNOWN | |
| AL2O3 | 16.05 | WT% | UNKNOWN | |
| FE2O3 | 3.19 | WT% | UNKNOWN | |
| FEO | 1.07 | WT% | UNKNOWN | |
| MNO | 0.03 | WT% | UNKNOWN | |
| MGO | 2.47 | WT% | UNKNOWN | |
| CAO | 7.04 | WT% | UNKNOWN | |
| NA2O | 3.44 | WT% | UNKNOWN | |
| K2O | 1.85 | WT% | UNKNOWN | |
| H2O_PLUS | 0.73 | WT% | UNKNOWN | |
| H2O_MINUS | 0.61 | WT% | UNKNOWN | |
| P2O5 | 0.26 | WT% | UNKNOWN | |
| TOTAL | 99.88 | WT% | UNKNOWN |