Sample GB-5a
NavDat sample number 128319 · GABBRO
Sample
| Sample ID | GB-5a |
|---|---|
| Rock name | GABBRO |
| Rock type | PLUTONIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Collected by | Frost, Thomas |
| Comment | Gabbro Inc |
Location
| Latitude | 37.1417 |
|---|---|
| Longitude | -118.589 |
| 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 | 48.4 | WT% | XRF | |
| TIO2 | 1.41 | WT% | XRF | |
| AL2O3 | 17.4 | WT% | XRF | |
| FE2O3 | 12.1 | WT% | XRF | |
| MNO | 0.14 | WT% | XRF | |
| MGO | 5.5 | WT% | XRF | |
| CAO | 9.1 | WT% | XRF | |
| NA2O | 3.02 | WT% | XRF | |
| K2O | 1.35 | WT% | XRF | |
| P2O5 | 0.4 | WT% | XRF | |
| LOI | 0.53 | WT% | XRF | |
| BA | 570 | PPM | EDXRF | |
| LA | 33 | PPM | EDXRF | |
| CE | 64 | PPM | EDXRF | |
| RB | 40 | PPM | EDXRF | |
| SR | 930 | PPM | EDXRF | |
| Y | 20 | PPM | EDXRF | |
| ZR | 92 | PPM | EDXRF | |
| NB | 12 | PPM | EDXRF | |
| NI | 25 | PPM | EDXRF | |
| ZN | 120 | PPM | EDXRF | |
| CR | 40 | PPM | EDXRF |