Sample Z-18-5
NavDat sample number 1311 · ANDESITE
Sample
| Sample ID | Z-18-5 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 34.1401 |
|---|---|
| Longitude | -118.759 |
| Location | Malibu Lake area of the western Santa Monica Mountains, Los Angeles County |
| State / province | California |
| Volcanic field | Conejo Volcanics |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 16.7 | 16.3 | 17.1 | Miocene |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 54.65 | WT% | UNKNOWN | |
| AL2O3 | 16.08 | WT% | UNKNOWN | |
| FE2O3 | 2.7 | WT% | UNKNOWN | |
| FEO | 5.09 | WT% | UNKNOWN | |
| MGO | 7.2 | WT% | UNKNOWN | |
| CAO | 7.08 | WT% | UNKNOWN | |
| NA2O | 3.72 | WT% | UNKNOWN | |
| K2O | 0.29 | WT% | UNKNOWN | |
| H2O_PLUS | 0.36 | WT% | UNKNOWN | |
| H2O_MINUS | 1.13 | WT% | UNKNOWN | |
| TIO2 | 1.02 | WT% | UNKNOWN | |
| P2O5 | 0.59 | WT% | UNKNOWN | |
| MNO | 0.15 | WT% | UNKNOWN | |
| CO2 | 0.16 | WT% | UNKNOWN | |
| S | 0.01 | WT% | UNKNOWN |