Sample 21A
NavDat sample number 128266 · GRANODIORITE
Sample
| Sample ID | 21A |
|---|---|
| Rock name | GRANODIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Frost, Thomas |
| Comment | Lamarck |
Location
| Latitude | 37.1878 |
|---|---|
| Longitude | -118.558 |
| Location | Lamark Granodiorite |
| State / province | California |
| Volcanic field | Eastern Sierra Nevada |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 91.6 | 91 | 92.2 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 63.4 | WT% | XRF | |
| TIO2 | 0.57 | WT% | XRF | |
| AL2O3 | 16.9 | WT% | XRF | |
| FE2O3 | 5 | WT% | XRF | |
| MNO | 0.08 | WT% | XRF | |
| MGO | 2.2 | WT% | XRF | |
| CAO | 4.44 | WT% | XRF | |
| NA2O | 3.25 | WT% | XRF | |
| K2O | 3.36 | WT% | XRF | |
| P2O5 | 0.18 | WT% | XRF | |
| LOI | 0.42 | WT% | XRF | |
| BA | 930 | PPM | EDXRF | |
| LA | 24 | PPM | EDXRF | |
| CE | 64 | PPM | EDXRF | |
| RB | 130 | PPM | EDXRF | |
| SR | 450 | PPM | EDXRF | |
| Y | 15 | PPM | EDXRF | |
| ZR | 115 | PPM | EDXRF | |
| NB | 13 | PPM | EDXRF | |
| NI | 10 | PPM | EDXRF | |
| ZN | 75 | PPM | EDXRF | |
| CR | 14 | PPM | EDXRF |