Sample AB-1011-61
NavDat sample number 15324 · GRANODIORITE
Sample
| Sample ID | AB-1011-61 |
|---|---|
| Rock name | GRANODIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 37.825 |
|---|---|
| Longitude | -119.467 |
| 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 | 66.47 | WT% | XRF | |
| TIO2 | 0.65 | WT% | XRF | |
| AL2O3 | 15.85 | WT% | XRF | |
| FEO | 3.72 | WT% | XRF | |
| MNO | 0.07 | WT% | XRF | |
| MGO | 1.44 | WT% | XRF | |
| CAO | 4.03 | WT% | XRF | |
| NA2O | 4 | WT% | XRF | |
| K2O | 3.29 | WT% | XRF | |
| P2O5 | 0.23 | WT% | XRF | |
| PB | 21 | PPM | XRF | |
| TH | 20 | PPM | XRF | |
| CS | 5 | PPM | XRF | |
| RB | 108 | PPM | XRF | |
| SR | 658 | PPM | XRF | |
| BA | 1245 | PPM | XRF | |
| NI | 0 | PPM | XRF | |
| CR | 5 | PPM | XRF | |
| Y | 17 | PPM | XRF | |
| ZR | 152 | PPM | XRF | |
| NB | 15 | PPM | XRF | |
| CU | 15 | PPM | XRF | |
| ZN | 56 | PPM | XRF | |
| GA | 21 | PPM | XRF | |
| LA | 44 | PPM | XRF | |
| CE | 65 | PPM | XRF | |
| PR | 7 | PPM | XRF | |
| ND | 45 | PPM | XRF | |
| SM | 6 | 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