When looking at a geological timescale, typically ‘the deeper you dig, the older stuff gets’, right?
So, where does this buildup of new sediment come from?
I understand we’re talking about very large timeframes here, but I still dont really get it.
Decaying plant material, volcanic dust, erosion from mountains and rocks all create new layers and deposits burying ancient cities. https://youtu.be/EofirRBIh28
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