Sample A-1
NavDat sample number 7499 · ANDESITE
Sample
| Sample ID | A-1 |
|---|---|
| Alternate ID | FD-81 |
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Dodge & Moore |
Location
| Latitude | 37.9667 |
|---|---|
| Longitude | -120.437 |
| State / province | California |
| Volcanic field | North of Yosemite |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 32.5 | 0 | 65 | Cenozoic |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 56.49 | WT% | XRF | |
| AL2O3 | 16.41 | WT% | XRF | |
| FE2O3 | 3.31 | WT% | XRF | |
| FEO | 3.61 | WT% | TIT | |
| MGO | 3.46 | WT% | XRF | |
| CAO | 5.79 | WT% | XRF | |
| NA2O | 3.62 | WT% | XRF | |
| K2O | 3.64 | WT% | XRF | |
| H2O_PLUS | 0.64 | WT% | TIT | |
| H2O_MINUS | 0.6 | WT% | TIT | |
| TIO2 | 1.12 | WT% | XRF | |
| P2O5 | 0.43 | WT% | XRF | |
| MNO | 0.09 | WT% | XRF | |
| CO2 | 0.05 | WT% | UNKNOWN | |
| RB | 148 | PPM | XRF | |
| SR | 750 | PPM | XRF | |
| BA | 1250 | PPM | XRF | |
| SC | 20 | PPM | XRF | |
| V | 182 | PPM | XRF | |
| NI | 43 | PPM | XRF |