Investors in firms that shift, crush and process rocks are more grounded, it seems, than those who invest in bullion.As mines age, extracting gold gets harder and costlier.
As mines age, ore grades decline, since the best stuff is usually dug up first.The big mining companies all believe that high commodity prices will return, although no one is prepared to say when.
Rio Tinto could be making mine-age history.
"I'm following the daughter of a friend of mine from age 10 to 18," Sattouf said.
A senior colleague of mine, whose age and identity will remain secret, did something telling on Tuesday.
When I see other moms (with twins trailing behind mine in age) they look to me for assurance and guidance.
"At first I was very scared," he said, recalling his first day at the mine at age 11. "All that darkness is spooky".
Along with mining subsidence age increasing, the soil body almost became stable for 1 year after mining.
The son of immigrants from Welsh mining towns, Lewis left school in the seventh grade and went to work in the mines at age 15.
