Start to finish 4-sided pan. 3 different style riffles with large drop bottom on 2 sides. Tapered bottom on small and no riffle sides.
Stage 1. Gravity trap style deep female riffles. Fast panning to get rid of unwanted materials.
Stage 2. Medium male riffles. Works off lighter sand and materials.
Stage 3. Small line male riffles on textured pad. Works off black sand away from gold.
Stage 4. Smooth slick section for final stage. Separates your micro gold from your black sand