recall silver symbolizes redemption in the bible
The incident is called the Copiapo mining incident in wikipedia
I looked up Copiapo to see what is was known for
is in a rich silver and copper mining district. It possesses a bronze statue
discoverer of the Chañarcillo silver mines in the 19th century.
I dont know what type of mine they were in but the fact that Copiapo
is tied to silver makes sense if I am correct that God tied there rescue to the