Sample 91
NavDat sample number 128250 · GRANODIORITE
Sample
| Sample ID | 91 |
|---|---|
| Rock name | GRANODIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Frost, Thomas |
| Comment | Lamarck |
Location
| Latitude | 37.2342 |
|---|---|
| Longitude | -118.649 |
| 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 | WT% | XRF | |
| TIO2 | 0.6 | WT% | XRF | |
| AL2O3 | 16.5 | WT% | XRF | |
| FE2O3 | 5.15 | WT% | XRF | |
| MNO | 0.09 | WT% | XRF | |
| MGO | 2.3 | WT% | XRF | |
| CAO | 4.79 | WT% | XRF | |
| NA2O | 3.4 | WT% | XRF | |
| K2O | 3.39 | WT% | XRF | |
| P2O5 | 0.19 | WT% | XRF | |
| LOI | 0.45 | WT% | XRF | |
| BA | 1050 | PPM | EDXRF | |
| CE | 46 | PPM | EDXRF | |
| RB | 115 | PPM | EDXRF | |
| SR | 480 | PPM | EDXRF | |
| Y | 17 | PPM | EDXRF | |
| ZR | 115 | PPM | EDXRF | |
| NB | 14 | PPM | EDXRF | |
| NI | 9 | PPM | EDXRF | |
| ZN | 72 | PPM | EDXRF | |
| CR | 15 | PPM | EDXRF |