Originally posted by GunsForBucks:

Your friend lied.

Not all biomes have things you need to pickax for progression.

yeah, just checked wiki - he like exaggerated a bit it seems. Still I'm kinda bored of mining just after bronze era and now that I've checked wiki I almost want to skip to plains biome already. I hope devs make something more fun for those 3 missing biomes - and pickaxe won't make its return