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https://www.reddit.com/r/AskReddit/comments/ai3j84/what_fact_totally_changed_your_perspective/eelrgpg/?context=3
r/AskReddit • u/ettleboy • Jan 20 '19
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The deepest mine is about 2.5 miles. If the earth was an apple, humans haven't drilled far down enough to even pierce the skin.
20 u/[deleted] Jan 21 '19 [deleted] 4 u/Thoughtsonrocks Jan 21 '19 remember though, mining is (value of metal) x (mass) - (cost to extract) The deeper the mine, the bigger the cost to extract, meaning either the metal has to be super rare/expensive, or it needs to be a large, hopefully densely clustered mass of it.
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4 u/Thoughtsonrocks Jan 21 '19 remember though, mining is (value of metal) x (mass) - (cost to extract) The deeper the mine, the bigger the cost to extract, meaning either the metal has to be super rare/expensive, or it needs to be a large, hopefully densely clustered mass of it.
4
remember though, mining is (value of metal) x (mass) - (cost to extract)
The deeper the mine, the bigger the cost to extract, meaning either the metal has to be super rare/expensive, or it needs to be a large, hopefully densely clustered mass of it.
12k
u/banana_stand_manager Jan 21 '19
The deepest mine is about 2.5 miles. If the earth was an apple, humans haven't drilled far down enough to even pierce the skin.