Went exploring in Moria today....
I found the literal MOTHERLOAD.
The cave had everything you could want. Diamond, gold, iron, redstone, coal, lava. And it goes on forever. I eventually had to dig my way up, only to find that I hadn't traveled all that far from my home base and Halcyon's underwater base. If people don't mind, I'd like to explore it on my own, so please don't enter it.
There will be pics eventually.
In other news, I finally figured out what I want to build. Hyrule castle from Link to the Past. I think with enough natural stone and time, it could be done quite nicely.