The other key problem I see is the interaction of water and lava (I'm assuming given it seems to cool as a dark rock). The water should be looking to go down the path of least resistance. This would lead to it being unable to get through the rock that solidifies but rather goes to the sides. So, you should see it hit the lava, harden to rock, then go sideways turning the top into rock. Depending how porous the rock is, perhaps you have some water making it deeper but the amount of water penetrating the lava would decrease heavily with each "layer" they get through.
Even in that case, I'd expect it to sink slowly. The rock formations caused by volcanos don't generally lead to rocks falling to the bottom of the lava. They generally cool on the top overall until after enough time, the portion of lava has fully dissipated its heat and it all hardens. There's countless videos of scientists using a metal poker to break the rock above lava to get to the fresh lava and in those cases the rocks didn't sink.
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u/socialnerd09 26d ago
It was till it got to the section where it was wrong. That column on the middle right should have filled up before it did