Geologist IV researches the formation, dissolution, and content of rock layers. Researches the effects of internal pressures, heat, water, pollution, and erosion. Being a Geologist IV studies variations in rock formations and densities to identify new mineral deposits. Estimates depth, quality and vastness of deposits. Additionally, Geologist IV tests mineral quality and purity to determine feasibility of mining. Requires a bachelor's degree in area of specialty. Typically reports to a manager or head of a unit/department. To be a Geologist IV typically requires 7+ years of related experience. A specialist on complex technical and business matters. Work is highly independent. May assume a team lead role for the work group.