Sample Z-25
NavDat sample number 15972 · GRANODIORITE
Sample
| Sample ID | Z-25 |
|---|---|
| Rock name | GRANODIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Comment | Half Dome unit |
Location
| Latitude | 37.82 |
|---|---|
| Longitude | -119.477 |
| 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 | 66.12 | WT% | XRF | |
| AL2O3 | 15.62 | WT% | XRF | |
| FE2O3 | 1.85 | WT% | XRF | |
| FEO | 1.93 | WT% | WET | |
| MGO | 1.61 | WT% | XRF | |
| CAO | 3.8 | WT% | XRF | |
| NA2O | 3.52 | WT% | XRF | |
| K2O | 3.75 | WT% | XRF | |
| H2O_PLUS | 0.58 | WT% | WET | |
| H2O_MINUS | 0.19 | WT% | WET | |
| TIO2 | 0.55 | WT% | XRF | |
| P2O5 | 0.17 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| CO2 | 0.04 | WT% | WET | |
| BA | 925 | PPM | XRF | |
| RB | 114 | PPM | XRF | |
| SR | 568 | PPM | XRF | |
| PB | 17 | PPM | XRF | |
| TH | 9.8 | PPM | XRF | |
| U | 4.2 | PPM | XRF | |
| ZR | 114 | PPM | XRF | |
| NB | 8 | PPM | XRF | |
| Y | 11 | PPM | XRF | |
| LA | 25 | PPM | XRF | |
| CE | 48 | PPM | XRF | |
| ND | 16 | PPM | XRF | |
| SC | 6 | PPM | XRF | |
| V | 67 | PPM | XRF | |
| CR | 6 | PPM | XRF | |
| MN | 575 | PPM | XRF | |
| CO | 10 | PPM | XRF | |
| NI | 3.5 | PPM | XRF | |
| CU | 9 | PPM | XRF | |
| ZN | 72 | PPM | XRF | |
| GA | 17 | PPM | XRF | |
| SR87_SR86 | 0.70696 | TIMS |