Page 285 - Handbook of Gold Exploration and Evaluation
P. 285

Sedimentation and detrital gold  251






























































                   4.31 Depositional model portraying pay zones in lodgement till complexes. 1 ±
                   Bedrock gutter; 2 ± glacio-tectonic structure and incorporation of gold-rich
                   `older' gravels; 3 ± bouldery lee-side deposits; 4 ± bedrock notches and vertical
                   shafts; 5 ± boulder pavements; 6 ± intraformational channel fills; 7 ± proximal
                   braided river facies (modified from Eyles and Kocsis, 1989).
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