YJ02
Well Known GateFan
Like it mentioned in the article, possible reason for collapse is rotting trees below. While in some soils, wood can be "petrified" preserved and hardened, sand ain't one of them
Earth In a 1000 Years
- Thread starter Tripler
- Start date
Like it mentioned in the article, possible reason for collapse is rotting trees below. While in some soils, wood can be "petrified" preserved and hardened, sand ain't one of them
But the holes are persistent...in sand. How?
YJ02
Well Known GateFan
Diferent wood/trees, diff rates of decomp. Pine and other evergreens may rot more quickly than hardwoods like maple or oak, etc. So it would rot at different rates, settle and than rot more, settle, repeat.
Not saying that it is the reason, just a possibility. That is why one should never use wood/trees as a fill material
