Ancient Debris

Ancient Debris can be found throughout the Nether from Y=0 to Y=160. It is recommended to mine in flow-type biomes, where there is a 50% chance that Ancient Debris generates exposed, touching lava. In cave-type biomes, there is a 50% chance + ×1.67 multiplier that it generates exposed, touching air.
Coal Ore

Coal Ore can be found throughout the Nether from Y=0 to Y=160. It is recommended to mine on the floor or along basalt walls in the Basalt Deltas biome.
Gold Ore

Gold Ore can be found throughout the Nether from Y=0 to Y=160. It has a ×1.67 multiplier in all crimson biomes. It is recommended to mine on the floor or along netherrack walls in crimson biomes.
Iron Ore

Iron Ore can be found throughout the Nether from Y=0 to Y=160. It is recommended to mine on the floor or along basalt walls in the Basalt Deltas biome.
Quartz Ore

Quartz Ore can be found throughout the Nether from Y=0 to Y=160. It has a ×1.67 multiplier in all warped biomes. It is recommended to mine on the floor or along netherrack walls in warped biomes.