María Elena is the resumed El Toco caliche mine, with ore and solutions sent to Pedro de Valdivia and Coya Sur for iodine and nitrate products. The 2025 statement reports 634 Mt of proven and probable reserves grading 362 ppm iodine and 4.8% nitrate, plus 499 Mt measured and indicated and 545 Mt inferred resources exclusive of reserves; these commodities cannot be represented by the current enum.
- Country
- Chile
- Stage
- Production