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

[Pete Shugar]

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