Dave,
To answer your question without using a back door approach to sell my thin
section. Yes, thin sections are a very important part of the classification
process. They give the viewer the ability to optically determine what the
mineralogy is within the rock. That said, if you have a good Scanning Electron
microscope this can be done with or without a thin section in some cases. The
microprobe is an additional tool that tells the Scientist what he or she is
looking at as well but in a much more modern and accurate way. Keep in mind
Thin sections at one time were all we had until the advent of the SEM Scanning
Electron Microprobe.
It should be clear what Tom Phillips offers is not and never was intended for
classification purposes. He is an artistic genius of sorts and offers us a
wonderful perspective of a different World if you will. Please read Tom's
statement in his own words below;
" I have often said that you would not use my images for classification. As I
am examining known material, I don't think that matters. I show things others
do not. In ways most have not even tried. It does not get any easier to
increase magnification and still maintain the lighting control and clarity.
Then there are the high magnification reflected light shots like what was
posted on NWA 5363, who else shows what the material really looks like at that
magnification. I have no problem with acknowledging the lack of traditional
classification usefulness but what does bother me is the dismissing of very
interesting and unexplained structures my images reveal as useless just because
the viewer is unfamiliar with what they are looking at."
I would like to add that sometimes Scientists do find subjects within
meteorites that require such high magnifications (look at ALH84001) but if you
want to see a great variety and extremely interesting images . Well, Tom
Phillips is simply the best at what he does. Period.
Tom has been insulted and attacked now enough times that he is likely to be
calling it quits. I'm not sure he even reads this list anymore? I noticed that
MT no longer displays a link to Tom's web site. What is up with that MT? This
is indeed a sad day for our wonderful Meteorite community and this great
met-list.
I hope that this community embraces Tom and encourages him to continue in spite
of some recent unwarranted attacks of him for NO good reason.
Carl
Carl or Debbie Esparza
Meteoritemax
Dave Myers wrote:
> Hey Tom and list!
>
> Sorry for all the miss-spelled words!
>
> like "Top Phillips".ment Tom,
> I find myself lately trying to type faster then my pay-grade! ..LOL
>
> you all take care!
>
> dave
>
>
>
> - Original Message
> From: Dave Myers
> To: Meteorite-list@meteoritecentral.com
> Sent: Tue, November 23, 2010 4:21:14 PM
> Subject: [meteorite-list] Question, Thinn sections
>
> Hi List,
>
> I list I have a question about thinn section photos, Like the great photos
> Top
> Phillips takes.
>
> Those who study meteorite or classify them, Can they tell just by looking at
> the photos, if
> the thenn section is from a meteorite?? Can they tell if it is a Lunar or
> Martian meteorite from the thinn section photo?? Or do they need the thinn
> section in hand to put through a type of spectrometor??
>
> And is that even enough to tell, or does all the other testing have to be
> done
> to tell if it is a meteorite, is a Lunar or martian.
>
> Thanks for any info.
>
> dave
>
>
>
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