This chapter introduces the concepts of mineral assets, the stages of mineral projects, and the importance of their valuation and optimization. It begins with an overview of the valuation and reporting of mineral assets in accordance with the VALMIN and JORC codes, clarifying the definitions and classifications of mineral resources and ore reserves. The chapter highlights Australia’s abundant mineral resources and critical minerals. It emphasizes Australia’s leading role in supplying various minerals to the global market and the significant contributions of mining to the economy and employment. After exploring the characteristics of mineral exploration and the administrative authorities responsible for issuing permits for mineral exploration and mining in Australia, it discusses various mining methods, outlining their applications and characteristics. The critical roles of valuation, optimization, and integrated mine planning are underscored to address geological, mining, economic, environmental, social, and governmental aspects in mining projects, ultimately aiming to maximize the value of mineral assets. Finally, the chapter outlines the purpose and scope of the book, which aims to equip readers with the knowledge and techniques necessary for mining project valuation and optimization through integrated mine planning.