3 ms·
Not all metal. Buried gold retrieved from ancient graves looks very "fresh".
by inglor_cz 3y ago
Not all metal. Buried gold retrieved from ancient graves looks very "fresh".
- jiggawatts 3y agoAlso most of the noble metals would remain pristine: platinum, iridium, etc…
- MichaelZuo 3y agoAfter ten million years even a large gold ingot would entirely be subsumed by the surrounding matter. Assuming a 10 nanometer/year erosion.