Sample 84B
NavDat sample number 128304 · GABBRO
Sample
| Sample ID | 84B |
|---|---|
| Rock name | GABBRO |
| Rock type | PLUTONIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Collected by | Frost, Thomas |
| Comment | Intrusion |
Location
| Latitude | 37.1439 |
|---|---|
| Longitude | -118.587 |
| 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 | 52.3 | WT% | XRF | |
| TIO2 | 1.13 | WT% | XRF | |
| AL2O3 | 17.7 | WT% | XRF | |
| FE2O3 | 9.81 | WT% | XRF | |
| MNO | 0.19 | WT% | XRF | |
| MGO | 5 | WT% | XRF | |
| CAO | 7.31 | WT% | XRF | |
| NA2O | 3.8 | WT% | XRF | |
| K2O | 2 | WT% | XRF | |
| P2O5 | 0.35 | WT% | XRF | |
| LOI | 0.35 | WT% | XRF | |
| BA | 525 | PPM | EDXRF | |
| LA | 27 | PPM | EDXRF | |
| CE | 58 | PPM | EDXRF | |
| RB | 82 | PPM | EDXRF | |
| SR | 620 | PPM | EDXRF | |
| Y | 16 | PPM | EDXRF | |
| ZR | 27 | PPM | EDXRF | |
| NB | 14 | PPM | EDXRF | |
| NI | 28 | PPM | EDXRF | |
| ZN | 150 | PPM | EDXRF | |
| CR | 51 | PPM | EDXRF |