Re: (non) Expanding Earth

From: Carsten Troelsgaard (carsten.troelsgaard_at_mail.dk)
Date: 01/07/05 

Date: Fri, 7 Jan 2005 12:23:54 +0100

"George" <george@wtfiswrongwithyou.com> skrev i en meddelelse
news:KSlDd.78470$k25.13163@attbi_s53...

> Speaking of earth expansion and thermodynamics, I find it interesting that
> they like to ignore the simple fact that materials such as water/ice gain
> volume when they cool, and thus expand, while rocks lose volume when they
> cool (unless they contain significant amounts of water, and even then, it
> is the water, not the rock, that is expanding). Hence, if the earth is
> expanding, that would necessarily indicate that the interior is getting
> hotter, not cooler. And of course this is in direct violation of the laws
> of thermodynamics that clearly demonstrate that matter loses heat over
> time, and is also in direct contradiction with earth observations.

Consider an internally growing Earth. If the Earth is a fluid droplet with a
crust, the growth-cracks will appear at random too, becourse the tensile
stress limit is much weaker than the compressive stress limit before
fracture - or use the transverse faults for growth. Look at a wet flat
mud-deposit that dries: It's eqvivalent to a fluid freezing while loosing
volume (the volume-reduction being eqvivalent to the lack of crust for a
growing Earth). The clay cracks up in a random manner - the crust could be
expected to do the same and pull up mantle-rock or whatever. Though there
may be some discrepancy in this analogy, the EE's still fail to explain, why
growth is so focussed: the inner Earth and the non-rigid mantle has no
problem in accomodating tensile stress, so why does fractures line up so
neatly in spreadingridges?
Only one answer: the Earth grows in between the mantle and the crust, in a
non-rigid manner, and transfers this growth thousand of miles .. well, yes,
whatever one choose to believe ...

> Obviously, the earth has cooled over time, but not so much that it's
> interior is dead like that of the moon (there are many reason for this,
> but that is for another argument). If anything, this result would
> indicate that the earth is shrinking. Of course, we know that this isn't
> true either, because the shrinking Earth theory would predict that
> mountain ranges would appear at random, all over the Earth. They are not,
> they are found only in narrow belts . The shrinking earth theory also
> predicts that earthquakes and volcanoes would occur at random all over the
> earth, which is also clearly not the case. The only solution is that the
> earth's crust is recycling due to upwelling of hot, rising magma from a
> hot interior, and the resulting "subsidence"/"subduction" of colder more
> dense surface material back into the mantle. Every "sphere" of the earth
> is cyclic". The atmosphere is cyclic. The hydrosphere is cyclic. There
> is carbon cycle, etc. There is no reason not to expect that there is a
> rock cycle, and in fact there is one. Plate tectonics, and the convection
> implicit in the interior of the earth are integral parts of it.

Well George, I don't think that anyone are surprised that we agree.

Someone probably mentioned, that an isolated location hardly can be expected
to record more than minute traces of expansion .. unless the mysterious
'growth by cell division' applies as in biology ... and that this kind of
local 'observation' thus may have a large margin of error as a demonstration
of expansion.

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