Natural Science Forum / Earth Science / Geology / May 2007

Sea-lily or feather-star, neocrinus decorus,
A crinoid descendant seen crawling along the floor in the bahamas
http://zooillogix.blogspot.com/2007/05/jogging-flower.html
http://www.newscientist.com/data/images/ns/av/dn8168V1.mov

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http://www.youtube.com/watch?v=5u-20g7Bwdw
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Ed Conrad

Given a finite strain ellipse, in map view,
  how would you label the following structures that might form: normal
faults, thrust faults, strike slip faults, dikes, and fold axes?
-- Victor

Erosion is the Essential Key (EEK!) to understanding Earth Expansion,
'cos properly speaking, when it rains, all the hills would be reduced
to zilch, and the continongs would end up just like a big beach.
Wouldn't they?  I mean, you'd have to do a bit of arithmetic of

Complexity Science, formerly called Chaos Theory
Pseudo-science?
"I think the next century will be the century of complexity."
       -Stephen Hawking January 2000

In this here posting:-
http://groups.google.com.au/group/sci.geo.geology/msg/ad01b827919930fd?hl=en&
Big John Kepler wrote
-----------------------

Can I ask what is most likely a simple question, but one to which I
cannot find an answer. The tidal effect of Jupiter upon Io creates
sufficient heat in Io to keep it mostly liquid. And the earth's moon
produces a small tide in the earth's crust. Now, if the laws of physics

[note: I'm bringing this problem over here and cross-posting with
rasfs]
Recently there was a question in rec.arts.sf.science about what the
largest possible (concrete) pyramid would be: it must be solid, not

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http://www.volpin.it/photogallery/animal/larry-king-live.jpg
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CNN saluted His Eminence Larry King on his 50th year as

The  fractured crust of the Earth at the  Equator will travel at a
little over a 1000 miles per hour,  towards the poles  the  rotational
speed  of the crust will decrease in a predictable way,reaching 900 to
700 miles per hour at mid latitudes and reducing to zero at the

* http://www.dur.ac.uk/arthur-holmes.society
   * http://www.dur.ac.uk/arthur-holmes.society/exec.php
Who sez geologists can't be glamorous? <G>
Cheers, Pete Tillman

Planetary shape and specifically the deviation from a perfect
sphere,perpendicular to rotational orientation of the planet is a
correlation which has been known for centuries.The moving Earth,and
especially axial rotation in the molten/flexible interior generates

1.  Hills are what's left when valleys erode.  i.e., they are not
'pushed up' by 'tectonic forces' of any sort.
2.  Mountains are just big hills.
3.  The biggest mountains in the world occur around the circumglobal

4>
                            Israel NUKED Cameroon
              The "volcanic" disaster in Cameroon, Africa in
         August 1986, which killed 1,700 people there, was really

Don't they get larger?
Neil Adams animations
Animation of expanding Europa
http://www.youtube.com/watch?v=hH_5SFHXSzo&mode=related&search=