Can fossils be found in the over world (Similarly to the way they do in the soul valley biome of the nether) and what is the spawn rate of them.
1 Answer
Yes, they do spawn in the overworld, but only in certain biomes, and (by rule of thumb) only underground.
Fossils randomly generate y-coordinates 40 to 49 underground in the Overworld (deserts, swamps, and their variants). Each chunk has a 1⁄64 chance to generate a fossil.
For comparison, Nether Fossils that spawn in Soul Sand Valleys have different generation and structures