Now, in the world will be generated new packed ores which will have more resources. You can get them using only iron pickaxe, but you will need not to put them in the furnace. For example, if you break packed iron ore, you will get 3 iron ingots immediately.
How to install:
- Download and install Minecraft Forge.
- Download the mod.
- Click on the Start Menu in Windows.
- Type run into the search box, and select the Run program at the top of the results.
- Type %appdata% into the Run program, and press Enter.
- Go to .minecraft/mods folder.
- Drag and drop the downloaded jar (zip) file into that.
- Enjoy the mod.