Sample 82-074
NavDat sample number 31226 · GRANODIORITE
Sample
| Sample ID | 82-074 |
|---|---|
| Rock name | GRANODIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 48.9 |
|---|---|
| Longitude | -121.5 |
| Location | North Cascades |
| State / province | Washington |
| Location comment | Chilliwack batholith |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 8.7 | 8.4 | 9 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 69.73 | WT% | ICPAES | |
| TIO2 | 0.33 | WT% | ICPAES | |
| AL2O3 | 15.66 | WT% | ICPAES | |
| FE2O3 | 1.37 | WT% | ICPAES | |
| FEO | 1.37 | WT% | ICPAES | |
| MGO | 0.87 | WT% | ICPAES | |
| MNO | 0.07 | WT% | ICPAES | |
| CAO | 2.9 | WT% | ICPAES | |
| NA2O | 4.82 | WT% | ICPAES | |
| K2O | 2.11 | WT% | ICPAES | |
| P2O5 | 0.11 | WT% | ICPAES | |
| NI | 4 | PPM | ICPAES | |
| CR | 5 | PPM | ICPAES | |
| SC | 5 | PPM | ICPAES | |
| V | 44 | PPM | ICPAES | |
| SR | 279 | PPM | ICPAES | |
| BA | 848 | PPM | ICPAES | |
| RB | 56.5 | PPM | MS-ID | |
| CS | 1.13 | PPM | INAA | |
| U | 1.8 | PPM | INAA | |
| TH | 4 | PPM | INAA | |
| HF | 2.9 | PPM | INAA | |
| PB | 5.1 | PPM | XRF | |
| ZN | 34 | PPM | ICPAES | |
| CU | 4 | PPM | ICPAES | |
| NB | 5.5 | PPM | XRF | |
| TA | 1.62 | PPM | INAA | |
| Y | 11.7 | PPM | ICPAES | |
| ZR | 101 | PPM | ICPAES | |
| BE | 1.2 | PPM | ICPAES | |
| LI | 24 | PPM | ICPAES | |
| GA | 13.6 | PPM | XRF | |
| SB | 0.11 | PPM | INAA | |
| LA | 12.5 | PPM | ICPAES | |
| CE | 23.8 | PPM | ICPAES | |
| ND | 10.2 | PPM | ICPAES | |
| SM | 2.05 | PPM | ICPAES | |
| EU | 0.62 | PPM | ICPAES | |
| GD | 1.79 | PPM | ICPAES | |
| DY | 1.78 | PPM | ICPAES | |
| HO | 0.37 | PPM | ICPAES | |
| YB | 1.22 | PPM | ICPAES | |
| LU | 0.21 | PPM | ICPAES | |
| RB87_SR86 | 0.5843 | MS | ||
| SR87_SR86 | 0.704174 | MS | ||
| ND143_ND144 | 0.512867 | 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