Massive sinkhole bigger than a basketball court opened up in Chile

A sinkhole 105 feet in diameter opened up near the Chilean town of Tierra Amarilla in the Atacama Desert. The sinkhole, bigger than an NBA basketball court, appeared near Lundin Mining's underground Minera Ojos del Salado copper mine. From Lundin Mining's statement on the matter:

Minera Ojos del Salado is conducting a technical analysis and gathering information to determine the cause of the event.