Well, it looks like subcutaneous injections off silicones do see small molecules of it wrapped in vacuoles in the blood (though the injections are of fluids, so can’t be certain of the breakdown of more solid forms [https://pmc.ncbi.nlm.nih.gov/articles/PMC6358378/]). Silicones do burn, producing silica powder, which means it is subject to oxidation-reduction reactions in some manner. Some silicones break down readily in organic processes. The wikipedia article notes clay as being particularly catalytic. The medical grade silicones don’t have even that little bit available for long term study (especially of the thousands of years variety you’d need for this picture), but I’d take a wager even they would eventually decay. Buuuut, the decay would likely be slower than skin/organs.
Way beyond my knowledge base to even speculate. The NPS website has a bit of info on how fossils form, and the important bit seems to be that the material has pores which mineral carrying water can flow through. The site does mention that softer tissues like cartilage can undergo permineralization as well, but… Silicones are pretty permeable to gas, but fairly impermeable to liquids. They’d probably lose the bits that ‘decayed’ from the outside in, instead of the permineralization happening throughout as the material decays.
Well, it looks like subcutaneous injections off silicones do see small molecules of it wrapped in vacuoles in the blood (though the injections are of fluids, so can’t be certain of the breakdown of more solid forms [https://pmc.ncbi.nlm.nih.gov/articles/PMC6358378/]). Silicones do burn, producing silica powder, which means it is subject to oxidation-reduction reactions in some manner. Some silicones break down readily in organic processes. The wikipedia article notes clay as being particularly catalytic. The medical grade silicones don’t have even that little bit available for long term study (especially of the thousands of years variety you’d need for this picture), but I’d take a wager even they would eventually decay. Buuuut, the decay would likely be slower than skin/organs.
So would silicon be subject to the same fossilization process as bones? Or whould it have a simmilar decay to cartilage?
Way beyond my knowledge base to even speculate. The NPS website has a bit of info on how fossils form, and the important bit seems to be that the material has pores which mineral carrying water can flow through. The site does mention that softer tissues like cartilage can undergo permineralization as well, but… Silicones are pretty permeable to gas, but fairly impermeable to liquids. They’d probably lose the bits that ‘decayed’ from the outside in, instead of the permineralization happening throughout as the material decays.