It is calculated that minerals worth about a trillion dollars ​ — including gold, platinum, diamonds, iron, and lead — ​ lie hidden in the subsoil of what is known as Legal Amazonia, which covers nine states in the north and central western regions of Brazil.
Arvestuste kohaselt on umbes triljoni dollari väärtuses maavarasid – sealhulgas kulda, plaatina, teemante, rauda ja pliid – peidus Amazônia Legal nime all tuntud piirkonnas, mis hõlmab Brasiilia üheksat osariiki põhjas ning kesk - ja lääneosas.