That is very useful, but I am looking for densities. As in, if I mine a massive area and recover, say, 1000 Iron ore, how many Bauxite will I mine, how many, Rubies, etc. That kind of thing. (In my example, I assume that I have mined a large enough area that I cover all biomes.
Well, if it helps, I once mined an entire chunk out from Y: 64 and got 13 ruby ores.