Re: A better working principle



oriel36 wrote:

On Mar 19, 4:12�pm, Timberwoof <timberwoof.s...@xxxxxxxxxxxxxxxxxxxxx>
wrote:
In article
<f18f3f94-92e9-480f-ae23-d059ea590...@xxxxxxxxxxxxxxxxxxxxxxxxxxx>,





�oriel36 <kelleher.ger...@xxxxxxxxx> wrote:

I have nothing to say to guys who believe in an ee concept that makes
a flat Earth look intelligent,I have much to say to plate tectonics
guys who are dragging those great outlines into a similar situation
by
ignoring geodynamics.It is almost harder to ignore geodynamics than to
take it into account in respect to geological evolutionary influences
but so far,I have the distinct and unpleasant feeling that the
trajectory of reasoning �is now lost ,a reasoning which uses stellar
dynamics to generalise rotational principles and apply them to the
Earth first and then graft in the mechanism as a more productive
solution for plate motion.

What people hope to achieve by ignoring geodynamics I do not know,it
has been on the table in its present form for a good few years now
with no pressure to adopt it,basically it exists as a halting
mechanism to stop 'convection cells' diluting the main argument for
plate motion and its long and short term effects.

I cannot imagine what dynamicists are going to apply to the Earth's
interior to generate the �40 km spherical deviation insofar as the
generalised rotational dynamics will almost certainly involve
differential rotation of the rotating composition in a fluid/flexible
state.

If it didn't rotate (and was fluid) it would be spherical. But it
does (and it's not), ..so it isn't. ('Few get my drift..) By 40km.
It's not a lot. The thickness of the crust. Which is like the shell
of an egg, relatively speaking.

We're not talking big bikkies here, at least not when it comes to the
bits that are bursting open at the ridges. In fact it's a lot less
than that - about 8km, ..1/5th of the eggshell.

It's when we get to the subduction zones it's different. Not
40km, ... not 400km, ..but double that to 1000km. *Now* you're
talking bikkies. Bigger ones.

**BUT** (The differential rotational dynamics you're talking about,
about latitudinal differentials (transform faults) are all in the
small bikkie basket. What *you* have to do is start plugging the
message that this differnetial rotation you're on about is valid for
subduction zones. which are the bikkies in the BIG basket -
(remembering that there isn't a gradation between this lot and the
small ones.)

**THEN** you have to start talking about differential rotation on flat
dislocations, ..on the earth's shells. And then you're not just
talking (geodynamically speaking), you're grunting. People will (or
should) listen. Because what you're talking about then is not just
fiddling with the mantle, but with the integrated picture of the
entire continental margins of the planet.

And when you do that (oink oink) you're talking reassembly of the
continents across the Pacific. Just as directly as you can with the
Atlantic and the Indian and Southern Oceans. No probs cobs (EE)
mate. Spin leads to Earth Expansion, and it's that simple.

Lay down (misere) Sally.

("When's the last bus?")



There is no great upheavel with current plate tectonic outlines
other than the more productive geodynamics will answer more questions
than it will raise and besides,the 'convection cell' notions in
setting the internal composition and viscosity is not so important or
so far down the road that it cannot �be set aside for a more realistic
approach.

Well that bit's right. Working out the big picture from assumptions
about playdoough and calling it science is silly. Don't just set it
aside, put it in the big where it biglongs. Alog with the Dakine.



Maybe the problems are no longer technical but the bigger headache of
the 'scientific method' ideologies and that I cannot get involved in
insofar as it is what is generating junk concepts which are now in
competition with plate tectonics or keeping a geostationary mechanism.

Let me see if I can summarize your rambling statement.

You don't think that geophysicists can figure out why the Earth is
oblate rather than spherical. While you think that differential rotation
(which happens in stars) occurs in the Earth, you're adamant that
convection (which happens in stars) does not happen in the Earth. And
you have no data to support any of your claims.

Do I have it right?

--
Timberwoof <me at timberwoof dot com>http://www.timberwoof.com
"When you post sewage, don't blame others for
emptying chamber pots in your direction." �Chris L.- Hide quoted text -

- Show quoted text -


This has gone on for far too long,differential rotation as a
generalised dynamic has been on the table for years while nobody
else has proposed exactly what causes the Earth sphericity to deviate
40km.

The onus is on those to come up with the actual rotational dynamics
for sphericity if they cannot accept differential rotation as a
generalised dynamic,I can't imagine how an alternative explanation
using actual observations is possible given the detailed analysis
already being done on rotating stars and the degree of sphericity with
respect to variations in Equiatorial speeds.

Until somebody actually comes out with a explanation for the Earth
sphericity other than the details I added in terms of rotational
dynamics then I have nothing to gain from any response,even silence
looks stupid when geodynamics remains cut off from geological
evolution.

Good luck to you and your stationary Earth or expanding Earth
perspectives,I enjoy my rotating Earth perspective regardless and I
mean that.

Ah, Oriel, you're wedded to Sufi, the cool beauty, the tantric
temptress
http://users.indigo.net.au/don/cpr/horse.html
.

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