Sample AB-1011-62
NavDat sample number 15325 · GRANODIORITE
Sample
| Sample ID | AB-1011-62 |
|---|---|
| Rock name | GRANODIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 37.8167 |
|---|---|
| Longitude | -119.475 |
| Location | Lee Vining-west |
| State / province | California |
| Volcanic field | Half Dome Granodiorite |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 90 | 88 | 92 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 71.48 | WT% | XRF | |
| TIO2 | 0.44 | WT% | XRF | |
| AL2O3 | 15.01 | WT% | XRF | |
| FEO | 2.04 | WT% | XRF | |
| MNO | 0.05 | WT% | XRF | |
| MGO | 0.73 | WT% | XRF | |
| CAO | 2.89 | WT% | XRF | |
| NA2O | 3.67 | WT% | XRF | |
| K2O | 3.74 | WT% | XRF | |
| P2O5 | 0.11 | WT% | XRF | |
| PB | 26 | PPM | XRF | |
| TH | 33 | PPM | XRF | |
| CS | 8 | PPM | XRF | |
| RB | 116 | PPM | XRF | |
| SR | 453 | PPM | XRF | |
| BA | 781 | PPM | XRF | |
| NI | 0 | PPM | XRF | |
| CR | 14 | PPM | XRF | |
| Y | 16 | PPM | XRF | |
| ZR | 127 | PPM | XRF | |
| NB | 11 | PPM | XRF | |
| CU | 11 | PPM | XRF | |
| ZN | 31 | PPM | XRF | |
| GA | 20 | PPM | XRF | |
| LA | 34 | PPM | XRF | |
| CE | 59 | PPM | XRF | |
| PR | 4 | PPM | XRF | |
| ND | 22 | PPM | XRF | |
| SM | 0 | PPM | XRF |
References
- Ague, Jay J; Brimhall, George H (1988) Regional variations in bulk chemistry, mineralogy, and the compositions of mafic and accessory minerals in the batholiths of California; with Suppl. Data 88-13. Geological Society of America Bulletin, vol.100, no.6, pp.891-911, Jun 1988 doi:10.1130/0016-7606(1988)100<0891:RVIBCM>2.3.CO;2