Silk Touch isn't exactly a rare enchantment, but it's far between enough that I'd rather not waste a silk pick in an experiment; I'm hoping someone else has tried this (with success).
The main crafting ingredient in a BuildCraft quarry is an undamaged diamond pickaxe. I was able to use one that had the Silk Touch enchantment. Now, before I go committing to unleashing this on a 64x64 area, will the quarry give me ores instead of ingots? To be clear, I was able to craft it using the enchanted pick.
I can deconstruct the quarry if this isn't going to work using a deconstruction table; I would be awful sore if I ended up losing a brand new silk touch pick for nothing :)
74 Answers
No. It won't. Quite simply, the recipe does not take enchantments into account.
4If you want to have quarry with silk touch enchantment you should install QuarryPlus mod (BuildCraft addon). It adds more powerful and faster quarries (with maximal quarry area 256 x 256 blocks) and ability to add enchantments like efficiency, silk touch, fortune, etc to those quarries.
2Quarries are not considered tools by Minecraft, and therefore cannot carry enchantments. Mods like Thaumcraft and Thermal Expansion have features that will mine with arbitrary enchantmants.
Buildcraft doesn't do silk touch, unfortunately. As mentioned elsewhere, the QuarryPlus mod has a silk touch feature, and Mekanism's digital miner can be used like a quarry and silk-touch ores. The Modjam entry Progressive Automation, available on this page, supports quarrying using any set of enchantments on a tool. If you don't care for magic blocks that do everything for you, several block breakers can use enchantments, such as TE3's autonomous activators and I think something from Immibis's TubeStuff. Minefactory Reloaded has block breakers that, IIRC, can use enchantments given mob essence. As for the block moving, Redstone in Motion or my continuation fork Remain in Motion will do it pretty elegantly, MFFS will do it too (tutorial), and probably a few other mods can do it.