Sample RWT269-87
NavDat sample number 31227 · GRANODIORITE
Sample
| Sample ID | RWT269-87 |
|---|---|
| Rock name | GRANODIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 48.8 |
|---|---|
| Longitude | -121.5 |
| Location | North Cascades |
| State / province | Washington |
| Location comment | Chilliwack batholith |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 32 | 30 | 34 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 73.07 | WT% | ICPAES | |
| TIO2 | 0.25 | WT% | ICPAES | |
| AL2O3 | 14.3 | WT% | ICPAES | |
| FE2O3 | 1.98 | WT% | ICPAES | |
| MGO | 0.7 | WT% | ICPAES | |
| MNO | 0.05 | WT% | ICPAES | |
| CAO | 1.79 | WT% | ICPAES | |
| NA2O | 4.39 | WT% | ICPAES | |
| K2O | 3.08 | WT% | ICPAES | |
| P2O5 | 0.09 | WT% | ICPAES | |
| NI | 3 | PPM | ICPAES | |
| CR | 6 | PPM | ICPAES | |
| SC | 4 | PPM | ICPAES | |
| V | 24 | PPM | ICPAES | |
| SR | 277 | PPM | ICPAES | |
| BA | 787 | PPM | ICPAES | |
| RB | 78.5 | PPM | MS-ID | |
| ZN | 25 | PPM | ICPAES | |
| CU | 4 | PPM | ICPAES | |
| Y | 13.3 | PPM | ICPAES | |
| ZR | 128 | PPM | ICPAES | |
| BE | 1.8 | PPM | ICPAES | |
| LI | 16 | PPM | ICPAES | |
| LA | 21.7 | PPM | ICPAES | |
| CE | 44.3 | PPM | ICPAES | |
| ND | 13.4 | PPM | ICPAES | |
| SM | 2.33 | PPM | ICPAES | |
| EU | 0.54 | PPM | ICPAES | |
| GD | 1.87 | PPM | ICPAES | |
| DY | 1.88 | PPM | ICPAES | |
| HO | 0.44 | PPM | ICPAES | |
| YB | 1.39 | PPM | ICPAES | |
| LU | 0.22 | PPM | ICPAES | |
| RB87_SR86 | 0.8148 | MS | ||
| SR87_SR86 | 0.70373 | MS | ||
| ND143_ND144 | 0.512865 | MS |
References
- Tepper, Jeffrey H; Nelson, Bruce K; Bergantz, George W; Irving, Anthony J (1993) Petrology of the Chilliwack Batholith, North Cascades, Washington; generation of calc-alkaline granitoids by melting mafic lower crust with variable water fugacity. Contributions to Mineralogy and Petrology. 113; 3, Pages 333-351. 1993. doi:10.1007/BF00286926