Advertisements
two kilometers or so down in most places there are these incredibly hot rocks, ’cause the interior of the earth is extremely hot, several million degrees
– Al Gore (Nobel Laureate)
Before its closing in 2002 Homestake Gold Mine was the oldest, largest and deepest mine in the Western Hemisphere, reaching more than 8000 feet below the town of Lead.
http://www.homestakevisitorcenter.com/
Advertisements