We’re excited to back @MarianaMinerals to build the first vertically integrated, software-first mining co. "In the next 10 years, the world needs to build more than 500 new mines and refineries to meet the rising demand for copper, lithium, nickel” "The scale of the challenge is daunting - over the next 25 years, we’ll need to produce more copper than in all human history combined." It’s time to mine.(a16z)