Sample 88-020
NavDat sample number 31223 · GRANODIORITE
Sample
| Sample ID | 88-020 |
|---|---|
| Rock name | GRANODIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 49 |
|---|---|
| Longitude | -121 |
| Location | North Cascades |
| State / province | Washington |
| Location comment | Chilliwack batholith |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 18 | 1 | 35 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 69.2 | WT% | ICPAES | |
| TIO2 | 0.35 | WT% | ICPAES | |
| AL2O3 | 14.8 | WT% | ICPAES | |
| FE2O3 | 3.27 | WT% | ICPAES | |
| MGO | 1.49 | WT% | ICPAES | |
| MNO | 0.07 | WT% | ICPAES | |
| CAO | 3.09 | WT% | ICPAES | |
| NA2O | 3.58 | WT% | ICPAES | |
| K2O | 3 | WT% | ICPAES | |
| P2O5 | 0.16 | WT% | ICPAES | |
| NI | 14 | PPM | ICPAES | |
| CR | 20 | PPM | ICPAES | |
| SC | 9 | PPM | ICPAES | |
| V | 74 | PPM | ICPAES | |
| SR | 233 | PPM | ICPAES | |
| BA | 782 | PPM | ICPAES | |
| RB | 83.8 | PPM | MS-ID | |
| ZN | 44 | PPM | ICPAES | |
| CU | 17 | PPM | ICPAES | |
| Y | 29.6 | PPM | ICPAES | |
| ZR | 141 | PPM | ICPAES | |
| BE | 1.6 | PPM | ICPAES | |
| LI | 38 | PPM | ICPAES | |
| LA | 16.8 | PPM | ICPAES | |
| CE | 37.5 | PPM | ICPAES | |
| ND | 17.8 | PPM | ICPAES | |
| SM | 4.2 | PPM | ICPAES | |
| EU | 0.72 | PPM | ICPAES | |
| GD | 3.98 | PPM | ICPAES | |
| DY | 4.39 | PPM | ICPAES | |
| HO | 0.95 | PPM | ICPAES | |
| YB | 2.91 | PPM | ICPAES | |
| LU | 0.45 | PPM | ICPAES | |
| RB87_SR86 | 1.035 | MS | ||
| SR87_SR86 | 0.704559 | MS | ||
| ND143_ND144 | 0.512805 | 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