A mining operation requires a business to incur substantial up-front costs for exploration and development activities, and probably additional costs as part of the mine’s eventual closure and site rehabilitation. In Accounting for Mining , we describe how to account for the costs incurred at each phase of a mine’s development, with particular attention to the more complex topics of asset retirement obligations and environmental obligations. Several additional topics related to asset impairment, business combinations, and financial disclosures are also covered.