Sample 81B
NavDat sample number 128299 · GABBRO
Sample
| Sample ID | 81B |
|---|---|
| Rock name | GABBRO |
| Rock type | PLUTONIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Collected by | Frost, Thomas |
| Comment | Intrusion |
Location
| Latitude | 37.1458 |
|---|---|
| Longitude | -118.586 |
| 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 | 53 | WT% | XRF | |
| TIO2 | 1.03 | WT% | XRF | |
| AL2O3 | 17.8 | WT% | XRF | |
| FE2O3 | 9.15 | WT% | XRF | |
| MNO | 0.12 | WT% | XRF | |
| MGO | 4.8 | WT% | XRF | |
| CAO | 8.25 | WT% | XRF | |
| NA2O | 3.2 | WT% | XRF | |
| K2O | 1.34 | WT% | XRF | |
| P2O5 | 0.33 | WT% | XRF | |
| LOI | 0.82 | WT% | XRF | |
| BA | 610 | PPM | EDXRF | |
| CE | 43 | PPM | EDXRF | |
| RB | 45 | PPM | EDXRF | |
| SR | 890 | PPM | EDXRF | |
| Y | 14 | PPM | EDXRF | |
| ZR | 92 | PPM | EDXRF | |
| NB | 11 | PPM | EDXRF | |
| NI | 32 | PPM | EDXRF | |
| ZN | 115 | PPM | EDXRF | |
| CR | 53 | PPM | EDXRF |