Check out your Admin Dashboard, which can by found by clicking "Admin" on the bottom toolbar -- it has links to all your new tools. Please let me know if you have any questions, and good luck with your new (old) wiki!
You can turn off anonymous editing if that is a problem, and you can protect a few pages that are frequently vandalized, but it is not ok to lock all the pages. Let me know if you have any questions about this.
Hey man, I just added several pages branching from your mining page (the different ores)! I plan to add much more detail to them explaining where they're found, and I also plan to add smithing pages, etc. I also editted your mining page just slightly to be more convienient c:. Hope you don't mind!