Natural Science Forum / Earth Science / Geology / January 2005

Apologies as I'm sure this has been asked before, but is there any research
done into the connection between the moon and earthquakes/volcanoes.
Surely this must be the largest disturbance to the earth likely to trigger
the sudden slippages at faults/plates.

Anyone know how to convert weight proportions (ppm) to isotopic proportions?
For example, if a mineral in a rock was found to contain 1.8ppm (by weight)
of 206Pb and 6.0ppm (by weight) of 238U
The method for calculating and the correct answer would be appreciated.

The NASA Mars Rover Spirit took this interesting picture on Sol 372.
Looking for all the world like a small piece of lichen sitting on a
rock, can anyone suggest a geological explanation for this intriguing
image?

I'm a undergraduate physics/geophysics student from
Indonesia.I'll be glad if you'd like to answer my
questions.
We know in geophysics, seismic methods is the most

I am writing an "end-of-the-world" type novel in which a portion of the
earth's rivers and oceans turn red and poisonous. This occurs in a very
short time frame (within hours or days). My question is what could cause
this?

Just as a side note: Whilst at GC, I took a look at the controversial GC
Creationist book which has caused so much flap amongst geos, park people
and Christian fundamentalists.
It is indeed now filed in the inspirational section of the main park

Yes, my a.shole then turns the coal into diamonds.

how can i enjoy reading geology? suggest me some books which are
interesting to read geology.

http://www.iht.com/articles/2005/01/21/news/harvard.html
The president of Harvard University, Larry Summers, has personally apologized to
a group of distinguished female professors, the Standing Committee on Women, as
he battles to convince the university's faculty of his ...

You know, after hearing the steady stream of news releases from Ron
Baalke and JPL, (and all the serious, not-so-serious and totally wacky
conversation which results) I wonder if there is any way sgg could be
added to the USGS list-servs. Twould be nice if we could get a newsfeed ...

If ng readers have never read Wallace Stegner's "Beyond the Hundredth
Meridian" I just finished it and highly recommend it.
Picked it up while at the Grand Canyon on the premise it was about John
Powell's run through the Canyon. Well, it is, but its also about

http://www.cbsnews.com/stories/2005/01/25/opinion/main669059.shtml
(The American Prospect) The column from The American Prospect was written by
Chris Mooney.
--------------------------------------------------------------------------------

Lava breaks surface at Mount St. Helens
After two-and-a-half weeks of rumbling and burping, Mount St. Helens
has disgorged magma, marking the start of what could be a long period
of dome-building.

There's an interesting new webpage that has cleaned up the images from
the Forest Service webcam of Mount St. Helens and created movies of
the glow at night: http://www.luscombe-carter.com/mount_st_helens/

I see Stuart with his Middle Earth convection is looking for something
to talk about and is wanting to open up that thread on Catastrophism
and Lyell, ....  Which is a brave thing to do.  While everyone gathers
their wits about what to do about this, and seeing as to how he has a