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.
Diperkirakan ada kandungan mineral yang bernilai sekitar satu triliun dolar (AS) ​ — termasuk emas, platina, intan, besi dan timah hitam — ​ terpendam di bawah permukaan tanah kawasan yang dikenal sebagai Legal Amazonia, yang mencakup sembilan negara bagian di wilayah Brasil utara dan tengah bagian barat.