Sample 31A
NavDat sample number 128274 · GRANODIORITE
Sample
| Sample ID | 31A |
|---|---|
| Rock name | GRANODIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Frost, Thomas |
| Comment | Lamarck, Inclusion from swarm, 50% of the rock is inclusions |
Location
| Latitude | 37.1478 |
|---|---|
| Longitude | -118.576 |
| 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 | 62.5 | WT% | XRF | |
| TIO2 | 0.7 | WT% | XRF | |
| AL2O3 | 16.5 | WT% | XRF | |
| FE2O3 | 5.37 | WT% | XRF | |
| MNO | 0.09 | WT% | XRF | |
| MGO | 2.3 | WT% | XRF | |
| CAO | 4.84 | WT% | XRF | |
| NA2O | 4 | WT% | XRF | |
| K2O | 2.69 | WT% | XRF | |
| P2O5 | 0.23 | WT% | XRF | |
| LOI | 0.56 | WT% | XRF | |
| BA | 1050 | PPM | EDXRF | |
| CE | 46 | PPM | EDXRF | |
| RB | 92 | PPM | EDXRF | |
| SR | 610 | PPM | EDXRF | |
| Y | 15 | PPM | EDXRF | |
| ZR | 120 | PPM | EDXRF | |
| NB | 14 | PPM | EDXRF | |
| NI | 10 | PPM | EDXRF | |
| ZN | 88 | PPM | EDXRF | |
| CR | 10 | PPM | EDXRF |