Sample 82-148
NavDat sample number 31225 · TONALITE
Sample
| Sample ID | 82-148 |
|---|---|
| Rock name | TONALITE |
| 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 |
|---|---|---|---|---|---|
| 18 | 16.2 | 19.8 |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 64.4 | WT% | ICPAES | |
| TIO2 | 0.5 | WT% | ICPAES | |
| AL2O3 | 17.16 | WT% | ICPAES | |
| FE2O3 | 1.92 | WT% | ICPAES | |
| FEO | 2.35 | WT% | ICPAES | |
| MGO | 1.69 | WT% | ICPAES | |
| MNO | 0.09 | WT% | ICPAES | |
| CAO | 4.65 | WT% | ICPAES | |
| NA2O | 4.87 | WT% | ICPAES | |
| K2O | 1.61 | WT% | ICPAES | |
| P2O5 | 0.2 | WT% | ICPAES | |
| NI | 46 | PPM | ICPAES | |
| CR | 12 | PPM | ICPAES | |
| SC | 9 | PPM | ICPAES | |
| V | 87 | PPM | ICPAES | |
| SR | 425 | PPM | ICPAES | |
| BA | 648 | PPM | ICPAES | |
| ZN | 54 | PPM | ICPAES | |
| CU | 16 | PPM | ICPAES | |
| Y | 16.2 | PPM | ICPAES | |
| ZR | 79 | PPM | ICPAES | |
| BE | 1.4 | PPM | ICPAES | |
| LI | 19 | PPM | ICPAES | |
| LA | 15.7 | PPM | ICPAES | |
| CE | 35.5 | PPM | ICPAES | |
| ND | 13.2 | PPM | ICPAES | |
| SM | 2.74 | PPM | ICPAES | |
| EU | 0.87 | PPM | ICPAES | |
| GD | 2.42 | PPM | ICPAES | |
| DY | 2.47 | PPM | ICPAES | |
| HO | 0.54 | PPM | ICPAES | |
| YB | 1.65 | PPM | ICPAES | |
| LU | 0.27 | 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