In the dungeon have a zombie spawner, a chest with average items. Have two caves is the major of the dungeon with 2 waterfall. You may found a lots of ores in two major cave. Good Luck!!!
BETA PLEASE – Dungeon Seed
In this seed you will spawn above an dungeon. After spawn, just dig straight down (but before that, don’t forget take some wood). During dig straight down you will hit some iron and coal, dig around 2 blocks of them to get all ores.
Seeds : BETA PLEASE Work in PE ver0.10.0+