Sample Z-31
NavDat sample number 15979 · GRANODIORITE
Sample
| Sample ID | Z-31 |
|---|---|
| Rock name | GRANODIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Half Dome unit |
Location
| Latitude | 37.8433 |
|---|---|
| Longitude | -119.447 |
| State / province | California |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 88 | 86 | 91 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 67.32 | WT% | XRF | |
| AL2O3 | 15.66 | WT% | XRF | |
| FE2O3 | 1.69 | WT% | XRF | |
| FEO | 1.58 | WT% | WET | |
| MGO | 1.1 | WT% | XRF | |
| CAO | 3.59 | WT% | XRF | |
| NA2O | 4.17 | WT% | XRF | |
| K2O | 3.22 | WT% | XRF | |
| H2O_PLUS | 0.42 | WT% | WET | |
| H2O_MINUS | 0.08 | WT% | WET | |
| TIO2 | 0.55 | WT% | XRF | |
| P2O5 | 0.19 | WT% | XRF | |
| MNO | 0.06 | WT% | XRF | |
| CO2 | 0.04 | WT% | WET | |
| BA | 895 | PPM | XRF | |
| RB | 100 | PPM | XRF | |
| SR | 709 | PPM | XRF | |
| PB | 16 | PPM | XRF | |
| TH | 12.8 | PPM | XRF | |
| U | 3.6 | PPM | XRF | |
| ZR | 12 | PPM | XRF | |
| NB | 8 | PPM | XRF | |
| Y | 8 | PPM | XRF | |
| LA | 26 | PPM | XRF | |
| CE | 46 | PPM | XRF | |
| ND | 15 | PPM | XRF | |
| SC | 5 | PPM | XRF | |
| V | 56 | PPM | XRF | |
| CR | 7 | PPM | XRF | |
| MN | 475 | PPM | XRF | |
| CO | 8 | PPM | XRF | |
| NI | 1.5 | PPM | XRF | |
| CU | 7.5 | PPM | XRF | |
| ZN | 69 | PPM | XRF | |
| GA | 19.8 | PPM | XRF | |
| SR87_SR86 | 0.70698 | TIMS |