Sample U-3
NavDat sample number 7579 · ANDESITE
Sample
| Sample ID | U-3 |
|---|---|
| Alternate ID | SLb-96-A3 |
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Bateman & Lockwood, 1976 |
Location
| Latitude | 37.21 |
|---|---|
| Longitude | -119.265 |
| State / province | California |
| Volcanic field | Lower San Joaquin |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 9.8 | 7.1 | 9.5 | Cenozoic |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 56.9 | WT% | XRF | |
| AL2O3 | 13.2 | WT% | XRF | |
| FE2O3 | 1.8 | WT% | XRF | |
| FEO | 4.4 | WT% | TIT | |
| MGO | 9.6 | WT% | XRF | |
| CAO | 5.8 | WT% | XRF | |
| NA2O | 2.8 | WT% | XRF | |
| K2O | 2.3 | WT% | XRF | |
| H2O_PLUS | 1.1 | WT% | TIT | |
| H2O_MINUS | 1.3 | WT% | TIT | |
| TIO2 | 0.73 | WT% | XRF | |
| P2O5 | 0.36 | WT% | XRF | |
| MNO | 0.11 | WT% | XRF | |
| CO2 | 0.02 | WT% | UNKNOWN | |
| RB | 83 | PPM | SPEC | |
| SR | 570 | PPM | SPEC | |
| BA | 110 | PPM | SPEC | |
| SC | 22 | PPM | SPEC | |
| Y | 22 | PPM | SPEC | |
| ZR | 150 | PPM | SPEC | |
| V | 88 | PPM | SPEC | |
| CR | 770 | PPM | SPEC | |
| NI | 250 | PPM | SPEC |