Mining finance glossaryBy-product creditsIn French: crédits de sous-produits Revenue from secondary metals, deducted from the primary metal’s costs. Where the course uses itModule 5: Valuing a mine In the newsBHP sells a $4.3bn silver stream on Antamina to Wheaton 17 February 2026Silver reaches $50 an ounce for the first time since 1980 9 October 2025 Practise with flashcardsAll terms Previous: BrownfieldNext: C1 cash cost