underwater ruins spawn on top of mountains

first ill give the seed and the cordanites

seed:  -6597171482862573932

coordinates -145 91 323

do this on a regular world gen

what I think is going on here is the water ruins are generating under the water like they should but the get interrupted and get put on top of the mountain and in the wall  I was just playing a vanilla survival for 1.14 when I found this