North Carolina is exceptionally rich in a diverse array of natural resources, agricultural products, and geological minerals. Geologically, the state features massive deposits of industrial minerals, leading the nation in lithium, feldspar, scrap mica, olivine, and brick-making clay. Agriculturally, it is a leading national producer of sweet potatoes, tobacco, pork, and poultry. Culturally and geographically, its wealth spans from the historical mountain ranges and gem-rich western uplands to a booming technological and financial hub centered around the Research Triangle and Charlotte.