Gold grades were capped prior to compositing to 2 m. Grades were estimated into the block models using Ordinary Kriging and Inverse Distance Squared with searches dynamically controlled along main mineralization zone directions.

Source: https://investingnews.com/b2gold-announces-updated-and-significantly-increased-mineral-resource-estimate-for-the-anaconda-area-located-near-the-fekola-mine-mali-2661654692/