What structural concept describes the finding that dense materials are mixing or dissolving into overlying layers rather than remaining in a compact ball?

Answer

Fuzzy boundaries

The diffuse nature of the core implies fuzzy boundaries where materials like iron, silicates, and heavier ices are not neatly sequestered but appear mixed or dissolving into the layers above.

What structural concept describes the finding that dense materials are mixing or dissolving into overlying layers rather than remaining in a compact ball?
astronomysatürnCoreplanet