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The process or industry of obtaining inorganic resources from a location.

10 votes

Approximately how long would it take to walk up four hundred feet of stairs?

I worked at a small mine where the only way up or down was via the single ore car, and if it was carrying passengers it wasn't carrying ore so if it wasn't a shift change and I had to go up or down, I …
Keith Morrison's user avatar
95 votes
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Is it possible for a mine to contain both gemstones and precious metals?

Sure. Gems such as diamonds, corundums (ruby and sapphire) come from igneous sources. It's possible that one could have a diamondiferous kimberlite blast through a gold or silver ore-bearing formatio …
Keith Morrison's user avatar