_____36. Are formed through the cooling and solidification of magma or lava. A. igneous B. sedimentary C. magma D. metamorphic _____37. Methods such as geological surface mapping and sampling, geophysical measurements and geochemical analysis is often applied at an early stage to pin out potential deposits. At what stage must these be applied? A. exploration C. closure and reclamation B. production D. mine designing _____38. At what stage of the mining process which consist of studies to help companies determine if and how a project can be safe, environmentally sound, economically viable and socially responsible. A. exploration C. mine-site design and planning B. construction D. closure and reclamation _____39. What is the first step in the production stage in which it is the process of extracting the ore from rock using a variety of tools and machinery. A. smelting B. processing C. assessing D. recovering the minerals _____40. The fifth and final stage in mining operations, dismantling all facilities on the property occurs and returning the land to its original state. A. exploration C. mine-site design and planning B. construction D. closure and reclamation