There are definitely mods for that, like moreores, for Bukkit.
There are heaps of more ores mods for Minecraft, so I'm not sure if the one you're using will be compatible. All I can suggest is trying it yourself.
The original Minecraft ores are:CoalIronGoldRedstoneLapis LazuliDiamondIn a recent update, they have added Emerald Ore.
smelting in a fiurnase liek on minecraft lol
The Superflat generator does not spawn ores. It's intended for building on in Creative mode.
Coal, Iron, Gold, Diamond, and Redstone.
All ores are good, but in my opinion, gold is the worst.
No, diamonds are found near lava. Diamonds being near redstone ore is just a myth
By smelting iron ores in the furnace, you'll earn iron ingots. Iron ores can be obtained by mining in generated caves.
Throw it in the furnace just like iron or other ores.
You cannot
There are currently 7 ores in vanilla minecraft 1.6. They can all be crafted into their respected blocks by putting nine of the same pure ingot, dye or dust into a crafting table i.e. not the ores. They are: coal, iron, gold, diamond, lapis lazuli, redstone and emerald. Iron and gold ore have to be cooked in a furnace to retrieve their respective ingots. Here is an image of the 7 ores: There is another ore called the nether quartz ore which is used to craft solid quartz in minecraft.
about 34 if you look evey where but you will have to digout your hole world