Sample 87G
NavDat sample number 128243 · GRANODIORITE
Sample
| Sample ID | 87G |
|---|---|
| Rock name | GRANODIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | Frost, Thomas |
| Comment | Hybrid, Nearly Homogeneous intrusion. Hb, plag, bio to 4mm. Hypidiomorphic. |
Location
| Latitude | 37.2306 |
|---|---|
| Longitude | -118.652 |
| 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 | 57.7 | WT% | XRF | |
| TIO2 | 0.83 | WT% | XRF | |
| AL2O3 | 17.6 | WT% | XRF | |
| FE2O3 | 6.94 | WT% | XRF | |
| MNO | 0.11 | WT% | XRF | |
| MGO | 3.6 | WT% | XRF | |
| CAO | 6.33 | WT% | XRF | |
| NA2O | 3.7 | WT% | XRF | |
| K2O | 1.85 | WT% | XRF | |
| P2O5 | 0.27 | WT% | XRF | |
| LOI | 0.4 | WT% | XRF | |
| BA | 640 | PPM | EDXRF | |
| LA | 21 | PPM | EDXRF | |
| CE | 62 | PPM | EDXRF | |
| RB | 91 | PPM | EDXRF | |
| SR | 670 | PPM | EDXRF | |
| Y | 15 | PPM | EDXRF | |
| ZR | 150 | PPM | EDXRF | |
| NB | 12 | PPM | EDXRF | |
| NI | 20 | PPM | EDXRF | |
| ZN | 100 | PPM | EDXRF | |
| CR | 50 | PPM | EDXRF |