Special to SURFER by Katie McConnell In Chile’s coastal Maule, Ñuble, and Biobío Regions, communities are watching new lines drawn over their territory: mining concessions for rare earth elements, or tierras raras , spanning tens of thousands of hectares. The mapped areas overlap with rural hillsides, watersheds, agricultural land, fishing communities, ancestral Mapuche lands, and the habitats of endemic and endangered species, further risking an entire coastline beloved as the world’s cold-water holy grail for barreling, left-hand, sand-bottom pointbreaks. Those who know, know. Local organizations have emphasized the proximity of several mapped concessions to Buchupureo, one of Chile’s most cherished waves and communities.…