Sample 87-098
NavDat sample number 31224 · GRANODIORITE
Sample
| Sample ID | 87-098 |
|---|---|
| Rock name | GRANODIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 48.9 |
|---|---|
| Longitude | -121.3 |
| 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 | 71.53 | WT% | ICPAES | |
| TIO2 | 0.29 | WT% | ICPAES | |
| AL2O3 | 14.59 | WT% | ICPAES | |
| FE2O3 | 2.6 | WT% | ICPAES | |
| MGO | 1.18 | WT% | ICPAES | |
| MNO | 0.08 | WT% | ICPAES | |
| CAO | 2.83 | WT% | ICPAES | |
| NA2O | 3.82 | WT% | ICPAES | |
| K2O | 2.53 | WT% | ICPAES | |
| P2O5 | 0.09 | WT% | ICPAES | |
| NI | 4 | PPM | ICPAES | |
| CR | 10 | PPM | ICPAES | |
| SC | 6 | PPM | ICPAES | |
| V | 52 | PPM | ICPAES | |
| SR | 247 | PPM | ICPAES | |
| BA | 741 | PPM | ICPAES | |
| RB | 65.5 | PPM | MS-ID | |
| CS | 2.66 | PPM | INAA | |
| U | 1.9 | PPM | INAA | |
| TH | 5.5 | PPM | INAA | |
| ZN | 32 | PPM | ICPAES | |
| CU | 54 | PPM | ICPAES | |
| Y | 24.3 | PPM | ICPAES | |
| ZR | 89 | PPM | ICPAES | |
| BE | 1.1 | PPM | ICPAES | |
| LI | 13 | PPM | ICPAES | |
| LA | 14.3 | PPM | ICPAES | |
| CE | 32.5 | PPM | ICPAES | |
| ND | 14.3 | PPM | ICPAES | |
| SM | 3.19 | PPM | ICPAES | |
| EU | 0.59 | PPM | ICPAES | |
| GD | 2.02 | PPM | ICPAES | |
| DY | 3.56 | PPM | ICPAES | |
| HO | 0.81 | PPM | ICPAES | |
| YB | 2.62 | PPM | ICPAES | |
| LU | 0.42 | PPM | ICPAES | |
| RB87_SR86 | 0.7627 | MS | ||
| SR87_SR86 | 0.704324 | MS | ||
| ND143_ND144 | 0.512824 | 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