{"product_id":"the-economic-definition-of-ore-cut-off-grades-in-theory-and-practice-9780994185235","title":"The Economic Definition of Ore: Cut-off Grades in Theory and Practice","description":"\u003cp\u003eKen Lane's book \"The Economic Definition of Ore\" is a standard reference work within the mining industry. Elaborating on his theory originally developed in 1964, this book provides a thorough and comprehensive description of both the theory and practice of implementing cut-off grades within a mining operation.\u003c\/p\u003e\u003cbr\u003e","brand":"Comet Strategy Pty Ltd","offers":[{"title":"Default Title","offer_id":50414594130194,"sku":"9780994185235","price":156.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/4771\/8930\/files\/img_47b1ddaa-5ea1-483c-91d1-9440809b763a.jpg?v=1729374303","url":"https:\/\/surprise-castle.myshopify.com\/products\/the-economic-definition-of-ore-cut-off-grades-in-theory-and-practice-9780994185235","provider":"Surprise Castle","version":"1.0","type":"link"}