Lava river

A lava river is a big flat surfaced source of lava, that can be found near bedrock.

Where to find
A lava river is substance to be found 11-12 rocks above the bedrock. While its unknown that it is coming from a floodable lava souce some where higher, it is noticed to be flat, and rare ore is to be found.

Finding Caves
The lava river rumor, started by Lucas Anderson states that if you follow a lava river, you can find more caves. This was confirmed true with limitations. Some lava rivers will end, leading no where while sometimes, it may.