One UPs metals is probably one of the most original unoriginal mod out there, i have spent countless hours on it and im no where near done. So far this mod adds new ores including copper, tin, zinc, bismuth and much more. Each ore has its respective ingot and each ingot can (so far) create an ingot mesh, nugget, and pickaxe. Dont worry and stay updated because this mod will go through a lot.... I planned to put the entire periodic table into your caves, have a full tool set for each ingot, and possibly more. And to swarm minecraft with new ingots. Heres a little explaining, mesh creates alloys and you need the mesher and an ingot to create mesh. I really hope you enjoy the mod and will download its further updates it will be going through. Here are some pictures. Note - i highly recommend the backpacks mod and NEI.