Some fleshed out ideas of how the DED (Deep Earth Driller) can operate. However, it does stay within this: "The only definitive thing about it, is it grabs ores from the dimension it's in, so it's fairly tiered for any modpack, any dimension." By Alk.

Currently, this is the description.

New Experimental Deep Earth Drilling Platform:
The DED will dig down to bedrock and dig ores from the underground bedrock indefinitely. The miner checks for ores in the dimension, their sporadic chances (density, size, weight, the chance of appearance, etc.) and creates a "list" for the miner and calculates random values between lowest and highest numbers of ore density. This list contains the ore veins, how many ores there are in said vein, and small ores as well. Small ores can be listed as the miner finding out how many small ores are within a chunk generally. Should the chance of getting an ore spawned in the list, it'll go onto the next until all the ores within that dimension have been cataloged. Then the small ores are multiplied by 324 (the average amount of chunks mined out in a 144 mining radius I believe). It is important to note that this increases the number of given ores, not the amount that is gained from an ore (so you don't get over 3k redstone from a single redstone block ore). It is also important to note that this list is unique to the miner multiblock itself. Should there be two or more multiblock miners nearby or anywhere, it'll create their unique list and won't share, thus making

For example, a list would look like this (rough sketch. Ores will be listed from their Primary to their "Around"):

ORES
Neutronium: 236
Adamantium: 138
Naquadah: 437
Titanium: 398

SMALL ORES
Infinity Catalyst 1944
Awakened Draconium 648

This list is invisible to the player unless they use a debugging tool to check.
Once all the ores have been mined and the list is done, it will delete that list and create a new one.

Now for other stats. The miner requires 20,480 LuV voltage to operate and of course, Pyrotheum and Cryotheum. However, should you increase the voltage, it will add 1 more parallel process to the miner, as if there was another miner running at the same time. This will use the same list of course but will dig ores out much faster.
The mining process takes 4 ticks at LuV, 2 at ZPM, and 1 at UV.

I don't have any ideas for what the cost of miner should be. But it should use UV components at the very least.

Interesting Idea... Does that mean if I put this thing into the deep dark I can get lucky and get a pure dark plutonium vein? If I manage to automate the setting and breaking of the controler I can try out so long until i find either dark plutonium or cosmic neutronium ? Because atm I have 8 8kx8k Quarries running down there voiding everything but those two things xD