Sample 87-001
NavDat sample number 31216 · DIORITE
Sample
| Sample ID | 87-001 |
|---|---|
| Rock name | DIORITE |
| Rock type | PLUTONIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
Location
| Latitude | 48.5 |
|---|---|
| Longitude | -121.25 |
| Location | North Cascades |
| State / province | Washington |
| Location comment | Chilliwack batholith |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 18 | 16.2 | 19.8 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 57.64 | WT% | ICPAES | |
| TIO2 | 0.79 | WT% | ICPAES | |
| AL2O3 | 17.42 | WT% | ICPAES | |
| FE2O3 | 6.65 | WT% | ICPAES | |
| MGO | 3.91 | WT% | ICPAES | |
| MNO | 0.12 | WT% | ICPAES | |
| CAO | 6.86 | WT% | ICPAES | |
| NA2O | 3.69 | WT% | ICPAES | |
| K2O | 1.72 | WT% | ICPAES | |
| P2O5 | 0.2 | WT% | ICPAES | |
| NI | 28 | PPM | ICPAES | |
| CR | 52 | PPM | ICPAES | |
| SC | 19 | PPM | ICPAES | |
| V | 171 | PPM | ICPAES | |
| SR | 383 | PPM | ICPAES | |
| BA | 424 | PPM | ICPAES | |
| CS | 1.17 | PPM | INAA | |
| ZN | 72 | PPM | ICPAES | |
| CU | 28 | PPM | ICPAES | |
| Y | 23.3 | PPM | ICPAES | |
| ZR | 36 | PPM | ICPAES | |
| BE | 1.1 | PPM | ICPAES | |
| LI | 22 | PPM | ICPAES | |
| LA | 11.3 | PPM | ICPAES | |
| CE | 27.2 | PPM | ICPAES | |
| ND | 13.9 | PPM | ICPAES | |
| SM | 3.69 | PPM | ICPAES | |
| EU | 1.03 | PPM | ICPAES | |
| GD | 3.68 | PPM | ICPAES | |
| DY | 3.77 | PPM | ICPAES | |
| HO | 0.81 | PPM | ICPAES | |
| YB | 2.07 | PPM | ICPAES | |
| LU | 0.31 | PPM | ICPAES |
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