Dear Adam, List;
I have repeatedly found lots of cretaceous shale balls that have
oxidized so much that a good magnet does nothing to them. Even the
metal detector doesn't recognize them.....but, they are in odd
locations, and seem to have been replaced by manganese, or manganese
staining. Tim Heinz' site on meteorwrongs has a picture or two. I still
remain puzzled but have been too cheap to send them off for an irridium
test.
Best,
Dave Freeman
Adam Hupe wrote:
Somebody asked the following question off-list. I will attempt to answer it:
Question:
I am just wondering how a totally Iron body can be converted to shale just
two Kilometers from the original find. No offense, but isn't shale pretty
much silicon?
Waiting to be set straight.
Answer:
It is converted to iron shale when it becomes weathered or terrestrialized
(oxidized). This is a well-known
occurrence as far as iron meteorites go. Canyon Diablo can be found as both
iron shale and in elemental iron form depending on the degree of weathering.
Kind Regards,
Adam
----- Original Message -----
From: "Adam Hupe" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Tuesday, January 03, 2006 6:27 PM
Subject: Re: [meteorite-list] old woman meteorite
Dear List,
I have a confirmed piece of the Old Woman meteorite. It was found within 2
kilometers of the original Old Woman at a lower elevation prone to
moisture.
Even though my piece has been converted to mainly shale with only a few
specks of elemental iron showing, Dr. Ted Bunch was able to chemically
match
the two and there are not too many Coarse Octahedrites with a massive 1
centimeter bandwidth running around. Here are some links if you want to
check it out. I have it in my safe deposit box so I cannot check the
weight
after a piece was submitted for study. I believe it still weighs about 130
grams or so.
Here are the links:
http://themeteoritesite.com/OldWoman.jpg
http://themeteoritesite.com/OldWoman-a.jpg
http://themeteoritesite.com/OldWoman.-b.jpg
Take Care,
Adam
----- Original Message -----
From: "Steve Arnold, Chicago!!" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Tuesday, January 03, 2006 3:56 PM
Subject: [meteorite-list] old woman meteorite
Hi list.I am just wondering if any of the old woman meteorite has ever
been offered up to collecters?
steve arnold, chicago
Steve R.Arnold, Chicago, IL, 60120
Illinois Meteorites,Ltd!
website url http://stormbringer60120.tripod.com
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