Re: [Phys-L] Talking to a geophysics socrates.

[Bernard Cleyet <bernardcleyet@redshift.com>]

On 2013, Nov 25, , at 11:17, Sergey Sukhotinsky <s.sukhotinsky@gmail.com> wrote:

> 4. If an elementary volume of mantle develops its density on cooling and
> changing its state to solid, - why does it glue to the ceiling (a plate's
> bottom), why not it to drop down just on the cooling.
> ***


related why are there plates anyway?

I think there’s a dynamic equilib. here. higher density drops down get heated stays up.   predicts and oscillation?  anyone noticed a v. sl. oscillation in the earth’s crust?

bc w/ partly baked ideas.