Sample Mar-76
NavDat sample number 11246 · ANDESITE
Sample
| Sample ID | Mar-76 |
|---|---|
| Rock name | ANDESITE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 39.3589 |
|---|---|
| Longitude | -120.075 |
| Location | Boca Ridge Formation Lavas |
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 2.8 | 2.52 | 3.08 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 54.58 | WT% | XRF | |
| TIO2 | 1.22 | WT% | XRF | |
| AL2O3 | 17.31 | WT% | XRF | |
| FEO | 7.18 | WT% | XRF | |
| MNO | 0.128 | WT% | XRF | |
| MGO | 4.84 | WT% | XRF | |
| CAO | 7.99 | WT% | XRF | |
| NA2O | 3.4 | WT% | XRF | |
| K2O | 2.38 | WT% | XRF | |
| P2O5 | 0.6 | WT% | XRF | |
| TOTAL | 99.91 | WT% | XRF | |
| V | 139 | PPM | XRF | |
| CR | 235 | PPM | XRF | |
| NI | 118 | PPM | XRF | |
| RB | 62 | PPM | XRF | |
| SR | 710 | PPM | XRF | |
| Y | 25 | PPM | XRF | |
| ZR | 233 | PPM | XRF | |
| NB | 17 | PPM | XRF | |
| BA | 954 | PPM | XRF | |
| LA | 34 | PPM | XRF | |
| CE | 76 | PPM | XRF |