Atacama Large Millimeter Array
The Purico complex is the site of a number of astronomical observatories, including but not limited to the Llano de Chajnantor Observatory and the Atacama Large Millimeter Array. In 1998, the Cerro Chascón Science Preserve was established on Purico, which among other things disallows mining in the area of the preserve. This Science Preserve covers most of the Purico complex.