Winterspring: start at the Timbermaw tunnel entrance and follow the cliffs to the east past the Hot Springs and all the way over to Starfall Village.
Now the ore itself is worthless and only used to complete the quest, but you can mine it from level 65 until about level 125.Desolace: grab yourself some underwater breathing potions and head to Ranzajar Isle.Alliance * Human: Start at Goldshire and head East following the cliff face to the north of Crystal Lake.You can also take a run through the Valley of Spears and down to Mannoroc Coven to pick up the Mithril nodes there.Skip round the Battleground entrance (only if your Horde) and carry on to the river.Keep heading south past the Crystalvein Mine and the Ruins of Aboraz.Western Plaguelands: do circuits of the Ruins of Andorhal.Clear cave and then continue on West, following the cliff face.Alterac Mountains: start at the entrance to the Ruins of Alterac and head west past the Growless Cave.You can usually find one or two Adamantite Deposits in those caves so you should go into them.Just do full circuits picking up Dark Iron poker tracker 4 pokerstars as well.Drop down into the Den Haal'esh and then north and east, following the mountains along to the Ruins of Sha'Naar.You may also want to drop into the Ruins of Eldarath and pick up the couple of nodes that spawn there.Remember to check out the Venture Co mine on your way round.Go past The Noxious Glade and onto Northdale.