1. Introduction 5
2. Geology 6
3. Sampling and analysis 9
4. Major and minor elements varation (Univariate interpretation) 9
4.1. Presentation of data 9
4.2. Results 10
5. Relationships between elements 25
5.1. Drill core data 25
5.2. Data from surface exposures 27
6. Multivariate interpretation 27
6.1. Method 27
6.2. Results 28
7. Multivariate chemical patterns compared to other types of patterns 28
7.1. Comparison between bulk chemical composition and mineralogy 28
7.2. Comparison between multivariate and univariate chemical patterns 33
8. Discussion and conclusions 33
9. References 34