Chapter 14 – Define the following terms Core Crust Mantle Asthenosphere Lithosphere Mineral Rock Sedimentary Igneous Metamorphic Ore (high grade and low crade) *List some elemental and non elemental minerals and there uses in society. Depletion time Biomining Hydrothermal ore deposits Black smokers Manganese nodules Overburden Spoils Tailings Smelting Compare the flowing mining techniques to one another: area strip, contour strip, mountain top removal, subsurface mining What are the environmental impacts of these mining methods What is acid mine drainage? 14.5 Describe how mining can cause at least three different geological hazards.