Sample 4
NavDat sample number 129249 · GNEISS
Sample
| Sample ID | 4 |
|---|---|
| Rock name | GNEISS |
| Material | METAMORPHIC |
| Comment | Hornblende-quartz diorite augen gneiss |
Location
| Latitude | 48.1667 |
|---|---|
| Longitude | -120.775 |
| 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 | 70.8 | WT% | COL | |
| AL2O3 | 15.4 | WT% | COL | |
| FE2O3 | 1.4 | WT% | AAS | |
| FEO | 2.46 | WT% | TIT | |
| MGO | 1.46 | WT% | AAS | |
| CAO | 5.2 | WT% | AAS | |
| NA2O | 3.88 | WT% | FPHOT | |
| K2O | 0.11 | WT% | FPHOT | |
| TIO2 | 0.45 | WT% | COL | |
| MNO | 0.09 | WT% | AAS | |
| BA | 150 | PPM | SPEC | |
| CO | 10 | PPM | SPEC | |
| CR | 5 | PPM | SPEC | |
| CU | 3 | PPM | SPEC | |
| NI | 5 | PPM | SPEC | |
| SC | 30 | PPM | SPEC | |
| SR | 200 | PPM | SPEC | |
| V | 150 | PPM | SPEC | |
| Y | 30 | PPM | SPEC | |
| ZR | 150 | PPM | SPEC | |
| GA | 20 | PPM | SPEC | |
| YB | 7 | PPM | SPEC |