[meteorite-list] New or maybe old QUESTION??????

[Michael Farmer]

I just remmember reading about it and seeing the
photos of individual meteorites that had been cut in
the matrix, still full of chondrules.
Anyone know where I can get my hands on a slab?
Michael Farmer


--- Göran Axelsson <axelsson at acc.umu.se> wrote:


> Hey!

> 

> I never thought that I had to correct you in the

> field of meteoritics.

> 

>  :-)

> 

> Sweden does have a couple of old coal mines but the

> fossile meteorites 

> is found in lime stone quarries.

> 

> I have also been shown in the roof of a mine (south

> of Kumla) of a 

> structure that was claimed to be an impact crater

> (or impact pit) but I 

> haven't been able to find anything published about

> it.

> That was before I got hooked on meteorites so I

> didn't know what to look 

> for or ask. The age of that quartzite strata should

> have been in the 

> range of 400-600 million years.

> 

> /Göran

> 

> Michael Farmer wrote:

> > Yes, Sweden is well known for it's "fossil

> meteorites"

> > dug up in coal mines.

> > You can google them but they are clearly hundreds

> of

> > millions of years old, and you can still see clear

> > chondules in pieces.

> > Michael Farmer

> > --- Pete Shugar <pshugar at clearwire.net> wrote:

> >

> >   

> >> List,

> >> Maybe this has been asked and answered (sounds

> like

> >> a lawer thing) and maybe 

> >> not.

> >> Since I am relatively new to collecting and

> >> certainly not an Expert in any 

> >> area of meteorite study (with the exception of

> >> magnetisum (from the sky 

> >> magnetic VS made a magnet by processes here on

> >> earth).

> >> Here's my question:

> >> A geologist  digs in an area that he thinks there

> >> will be the likelyhood of 

> >> finding a fossil. Maybe he gets lucky and maybe

> >> finds bunches of them.

> >> Has anyone ever found a meteorite buried deep in

> a

> >> layer that is thousands 

> >> or even millions of years old?

> >> Years ago--long before I became an obsessed,

> crazed,

> >> meteorite addict,

> >> while teaching a series on earthquakes, I had

> found

> >> a video of a scientist 

> >> standing with one foot on the Pacific plate and

> the

> >> other foot on the North 

> >> Americian plate, ie astraddle of the San Andreas

> >> fault line. In back of him 

> >> was a small vertical clift of maybe 10 feet and

> you

> >> could plainly see the 

> >> shift (approx 15 inches) in the layers of

> sediment.

> >> Now I've got to thinking (some say this is my

> >> problem--Thinking) that these 

> >> meteorites have a tremendous terestial age. If

> the

> >> earth is bombarded by 

> >> these meteorites throughout the aeons, then there

> >> should be a record, ie 

> >> evidence in the form of buried craters (see the

> >> Odessa,Tx crater) -- Approx 

> >> 100 to 110 feet deep that  has been filled in

> till

> >> it is only 25 to 30 feet 

> >> deep now due to wind blown sand (mostly). I've

> got a

> >> pamplet of  "Occasional 

> >> Papers of the Strecker Museum" from Baylor

> >> University showing  a neat cross 

> >> section of the Odessa Crater.

> >> How much investigation into the cross section

> >> structure of the sediment 

> >> layers, looking for evidence of craters has been

> >> done?  Has there ever been 

> >> an accidential discovery of a buried crater in a

> >> clift side. Lots of these 

> >> erroded mesa exist out west. Maybe evidence is

> >> visable there.

> >> Surely Valeria is not the only animal killer out

> >> there.

> >> Maybe another animal drilled by a passing

> meteorite

> >> with the coresponding 

> >> meteorite near the body. Maybe there's no body

> but

> >> the meteorite is still 

> >> there buried in the deeper layers of sediment.

> Maybe

> >> tektites are the only 

> >> surviving evidence.

> >> In a nutshell, has there ever been a meteorite

> found

> >> at a depth of sediment 

> >> that is plainly very old?

> >> Pete 

> >>

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