If you need stone, I highly recommend getting a Doedicurus tamed. It's the best stone farmer and reduces the weight of stone by a lot.
Apparently, you can have the Doedicurus farm stone in the air if you pick it up with a Argentavis. Haven't tested it, but that's what my brother told me. Take it with a grain of salt.
It can get around 400-500 stone per swing (although now that I think about it today is the weekend and isn't there like weekend events for Increased harvest?)
Abilities That I know: Roll, you can start rolling in a direction, uses a little stamina, but decently quick for a Doedicurus. Then there's the main hit, for hitting stone, and atleast wild ones curl up in a ball and I would assume take less damage.
I got my first Doedicurus recently, so take all of this with a grain of salt.
It gather very lot of element dust from lamp on extinction. I ever saw someone attacking defense unit corpse with this guy, then he give up and use his metal pick. What a nub, he thought he can gather an element from a corpse. It gather 700+ element from lamp with only 1 swing. Try on
Equip your Doedicurus with a saddle, pick it up with an Argentavis and fly near rocks as it automatically harvests the stone as you fly. Level up the melee damage to harvest more stone with each swing. Level up your Argentavis’ weight capacity be an insane stone harvest team.
We can all agree riding it and getting stone is sometimes a pain and a risk when your are low lvl so just put it on wandering grab it with an arge then get closer to rocks then boom you got yourself some stones and it also can be used to collect thatch and you don’t have to put him down while carrying him with an arge when collecting stones just get closer to the rock . Hope this was helpful :)