Sample A-3
NavDat sample number 7501 · ANDESITE
Sample
| Sample ID | A-3 |
|---|---|
| Alternate ID | LE-134 |
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Dodge & Moore |
Location
| Latitude | 37.8633 |
|---|---|
| Longitude | -119.997 |
| State / province | California |
| Volcanic field | North of Yosemite |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 9.2 | 9 | 9.4 | Cenozoic |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 56.17 | WT% | XRF | |
| AL2O3 | 17.32 | WT% | XRF | |
| FE2O3 | 3.8 | WT% | XRF | |
| FEO | 2.78 | WT% | TIT | |
| MGO | 1.07 | WT% | XRF | |
| CAO | 6.61 | WT% | XRF | |
| NA2O | 3.41 | WT% | XRF | |
| K2O | 2.46 | WT% | XRF | |
| H2O_PLUS | 0.89 | WT% | TIT | |
| H2O_MINUS | 0.52 | WT% | TIT | |
| TIO2 | 0.88 | WT% | XRF | |
| P2O5 | 0.43 | WT% | XRF | |
| MNO | 0.11 | WT% | XRF | |
| CO2 | 0.18 | WT% | UNKNOWN | |
| RB | 48 | PPM | XRF | |
| SR | 960 | PPM | XRF | |
| BA | 1500 | PPM | XRF | |
| SC | 13 | PPM | XRF | |
| Y | 18 | PPM | XRF | |
| ZR | 215 | PPM | XRF | |
| V | 160 | PPM | XRF | |
| CR | 170 | PPM | XRF |