Caves generation is not proper and many blocks are from nether biome to caves generation

Fossils can also generate in the overworld in certain biomes. But they shouldn't float around, see MC-214784.

Geodes shouldn't be floating either, see MC-214782.

Hi! Today when i was playing Minecraft in this seed "Warden" after some times in creative mode i go to depths of cave generation i see a very large cave generation and it is the largest cave generation in Minecraft so first i see a floating Amethyst Geode okay but then i see a bone block that is always found in the soul sand valley and bone block are always a part of soul sand valley but they were floating in open cave generation there is a attach i have post in this issue so i just wanted to say that open cave generation is having floating bone blocks and floating amethyst so please resolve this issue