Sample 8
NavDat sample number 129253 · GNEISS
Sample
| Sample ID | 8 |
|---|---|
| Rock name | GNEISS |
| Material | METAMORPHIC |
| Comment | Hornblende-quartz diorite gneiss |
Location
| Latitude | 48.2167 |
|---|---|
| Longitude | -120.812 |
| Location | Dumbell Mountain plutons |
| State / province | Washington |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 88.3 | 85 | 91.6 |
Analyses
Whole Rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 65.7 | WT% | COL | |
| AL2O3 | 16.2 | WT% | COL | |
| FE2O3 | 1.2 | WT% | AAS | |
| FEO | 3.87 | WT% | TIT | |
| MGO | 2.63 | WT% | AAS | |
| CAO | 7.1 | WT% | AAS | |
| NA2O | 3.59 | WT% | FPHOT | |
| K2O | 0.24 | WT% | FPHOT | |
| TIO2 | 0.71 | WT% | COL | |
| MNO | 0.1 | WT% | AAS | |
| BA | 150 | PPM | SPEC | |
| CO | 15 | PPM | SPEC | |
| CR | 5 | PPM | SPEC | |
| CU | 15 | PPM | SPEC | |
| NI | 15 | PPM | SPEC | |
| SC | 30 | PPM | SPEC | |
| SR | 500 | PPM | SPEC | |
| V | 150 | PPM | SPEC | |
| Y | 30 | PPM | SPEC | |
| ZR | 30 | PPM | SPEC | |
| GA | 15 | PPM | SPEC | |
| YB | 5 | PPM | SPEC |