Sample A-5
NavDat sample number 7503 · ANDESITE
Sample
| Sample ID | A-5 |
|---|---|
| Alternate ID | LE-136 |
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Dodge & Moore |
Location
| Latitude | 37.8633 |
|---|---|
| Longitude | -119.97 |
| 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 | 46.16 | WT% | XRF | |
| AL2O3 | 17.29 | WT% | XRF | |
| FE2O3 | 2.62 | WT% | XRF | |
| FEO | 3.96 | WT% | TIT | |
| MGO | 3.91 | WT% | XRF | |
| CAO | 6.59 | WT% | XRF | |
| NA2O | 3.37 | WT% | XRF | |
| K2O | 2.99 | WT% | XRF | |
| H2O_PLUS | 0.45 | WT% | TIT | |
| H2O_MINUS | 0.2 | WT% | TIT | |
| TIO2 | 0.98 | WT% | XRF | |
| P2O5 | 0.44 | WT% | XRF | |
| MNO | 0.11 | WT% | XRF | |
| CO2 | 0.07 | WT% | UNKNOWN | |
| RB | 65 | PPM | XRF | |
| SR | 840 | PPM | XRF | |
| BA | 1300 | PPM | XRF | |
| SC | 14 | PPM | XRF | |
| Y | 18 | PPM | XRF | |
| ZR | 220 | PPM | XRF | |
| V | 130 | PPM | XRF | |
| CR | 56 | PPM | XRF |