Sample Z-28
NavDat sample number 15975 · GRANODIORITE
Sample
| Sample ID | Z-28 |
|---|---|
| Rock name | GRANODIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Half Dome unit |
Location
| Latitude | 37.8333 |
|---|---|
| Longitude | -119.46 |
| 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 | 67.76 | WT% | XRF | |
| AL2O3 | 15.61 | WT% | XRF | |
| FE2O3 | 1.64 | WT% | XRF | |
| FEO | 1.48 | WT% | WET | |
| MGO | 1.14 | WT% | XRF | |
| CAO | 3.51 | WT% | XRF | |
| NA2O | 3.83 | WT% | XRF | |
| K2O | 3.66 | WT% | XRF | |
| H2O_PLUS | 0.32 | WT% | WET | |
| H2O_MINUS | 0.07 | WT% | WET | |
| TIO2 | 0.46 | WT% | XRF | |
| P2O5 | 0.17 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| CO2 | 0.09 | WT% | WET | |
| BA | 900 | PPM | XRF | |
| RB | 127 | PPM | XRF | |
| SR | 572 | PPM | XRF | |
| PB | 20 | PPM | XRF | |
| TH | 25.4 | PPM | XRF | |
| U | 5.8 | PPM | XRF | |
| ZR | 105 | PPM | XRF | |
| NB | 7.5 | PPM | XRF | |
| Y | 9 | PPM | XRF | |
| LA | 28 | PPM | XRF | |
| CE | 42 | PPM | XRF | |
| ND | 13 | PPM | XRF | |
| SC | 5 | PPM | XRF | |
| V | 53 | PPM | XRF | |
| CR | 8 | PPM | XRF | |
| MN | 505 | PPM | XRF | |
| CO | 9 | PPM | XRF | |
| NI | 2.5 | PPM | XRF | |
| CU | 6 | PPM | XRF | |
| ZN | 60 | PPM | XRF | |
| GA | 18.2 | PPM | XRF | |
| SR87_SR86 | 0.70714 | TIMS |