The depletion of mining resources forces the industry to process more heterogeneous and complex orebodies. inherent heterogeneity these orebodies their relation processing recoveries have received considerable interest in recent years. properties ores, such as mineral composition association, are known affect flotation performance. Even ores with similar compositions can vary significantly rega...

The Bruce Boyd site is an Early Woodland burial area on a sand knoll near Long Point, Lake Erie. Excavation uncovered several burials and offerings with cache blades, Meadowood points, trapezoidal gorgets, galena, copper beads, copper bracelets, iron pyrites and red ochre. The ceramics were cordmarked on both interior and exterior, some of them also showing punctates on the lip and exterior rim.