Sample 76c
NavDat sample number 127373 · GABBRO
Sample
| Sample ID | 76c |
|---|---|
| Rock name | GABBRO |
| Rock type | PLUTONIC |
| Composition | MAFIC |
| Material | IGNEOUS |
| Collected by | Frost, Thomas |
| Comment | Cumulus schlieren. Euhedral hb 60%, mt 3% subhedral bio 10%, anhedral plag, qz, k-spar, abundant sphene and Zircon. |
Location
| Latitude | 37.1428 |
|---|---|
| Longitude | -118.581 |
| Location | Lamark Granodiorite |
| State / province | California |
| Volcanic field | Lamark Granodiorite |
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 | 51.4 | WT% | XRF | |
| TIO2 | 1.42 | WT% | XRF | |
| AL2O3 | 12.4 | WT% | XRF | |
| FE2O3 | 13.1 | WT% | XRF | |
| MNO | 0.28 | WT% | XRF | |
| MGO | 7 | WT% | XRF | |
| CAO | 7.97 | WT% | XRF | |
| NA2O | 2.4 | WT% | XRF | |
| K2O | 2.29 | WT% | XRF | |
| P2O5 | 0.43 | WT% | XRF | |
| LOI | 0.5 | WT% | XRF | |
| BA | 210 | PPM | EDXRF | |
| LA | 78 | PPM | EDXRF | |
| CE | 155 | PPM | EDXRF | |
| RB | 105 | PPM | EDXRF | |
| SR | 250 | PPM | EDXRF | |
| Y | 54 | PPM | EDXRF | |
| ZR | 290 | PPM | EDXRF | |
| NB | 29 | PPM | EDXRF | |
| NI | 36 | PPM | EDXRF | |
| ZN | 195 | PPM | EDXRF | |
| CR | 63 | PPM | EDXRF | |
| RB | 109.43 | PPM | MS-ID | |
| SR | 251.25 | PPM | MS-ID | |
| SR87_SR86 | 0.70641 | TIMS | ||
| SM | 17.3 | PPM | MS-ID | |
| ND | 86.88 | PPM | MS-ID |