U find a way to fix it
pretty much everywhere that's not the main part of vivosaur island (the fighter area, the park area, and the guild area)
it is on the top right in the park area
You must be a level 3 Fighter and have gotten the tools for McJunkers. He'll let you into his private digging area and you'll find ourano in there Good luck!
You have to go to the guild area, then go to fossil guild. It's in there.
in the rivet ravine pay to dig area
You can find it in rivet ravine area 1.
Cerato is in Rivet Ravine--Area 2.
Rivet Ravine Area 2
you need to use your brain
Go to the guild area and the little hut kind of place is the fossil guild You can buy and sell things there.
go to the mask lady in the guild area.
The dig site is rivet ravine-area 1