Sample LL-4a
NavDat sample number 128253 · GABBRO
Sample
| Sample ID | LL-4a |
|---|---|
| Rock name | GABBRO |
| Rock type | PLUTONIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Collected by | Frost, Thomas |
| Comment | Inclusion, Fine grained bio-hb inclusion |
Location
| Latitude | 37.2217 |
|---|---|
| Longitude | -118.637 |
| 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 | 49.8 | WT% | XRF | |
| TIO2 | 1.29 | WT% | XRF | |
| AL2O3 | 18.6 | WT% | XRF | |
| FE2O3 | 9.88 | WT% | XRF | |
| MNO | 0.15 | WT% | XRF | |
| MGO | 5.1 | WT% | XRF | |
| CAO | 7.41 | WT% | XRF | |
| NA2O | 3.95 | WT% | XRF | |
| K2O | 2.44 | WT% | XRF | |
| P2O5 | 0.42 | WT% | XRF | |
| BA | 610 | PPM | EDXRF | |
| LA | 30 | PPM | EDXRF | |
| CE | 73 | PPM | EDXRF | |
| RB | 130 | PPM | EDXRF | |
| SR | 570 | PPM | EDXRF | |
| Y | 21 | PPM | EDXRF | |
| ZR | 160 | PPM | EDXRF | |
| NB | 15 | PPM | EDXRF | |
| NI | 25 | PPM | EDXRF | |
| ZN | 160 | PPM | EDXRF | |
| CR | 44 | PPM | EDXRF |