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Roll Overs:
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Copyright (c) Herbert Raab.
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Find/Fall Anniversary |
1009 grams. H3-6
TKW 175 kg. Observed fall, August 4 or 5, 1998, in the western Sahara.
  
Herbert writes:
The Zag meteorite fell in the Lahmada region of Western Sahara on August 4 or 5, 1998. About 175 kg of this brecciated H3-6 chondrite were recovered. Researchers later discovered that Halite (salt) crystals are embedded in this breccia, and within the Halite, liquid water and amino acids were found.
This 1009 gram specimen shows several generations of fusion crust from multiple breakup events: The "Bottom" side (photo #3) shows thick primary fusion crust and well developed regmaglypts, the "East" side (photo #1) shows smooth secondary crust, while the "West" side (photo #2) shows both secondary as well as thin, brownish tertiary crust. Slickensides are visible on the top left of photo #2. Photo #4 is a closeup of a small, broken area that reveals the brecciated structure of this meteorite.
The Swiss collector from whom I got this specimen nicknamed it "The Matterzag", for it's similarity with the famous Matterhorn mountain (photo #6 by Andrew Bossi. Attribution CC-BY-SA-2.5).
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Click to view larger photos
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#6
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Found at the arrow (green or red) on the map below
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jimi shorten
8/4/2021 6:02:55 PM |
I like the Matterhorn comparison' |
Michael Mulgrew
8/4/2021 12:21:45 PM |
If it's an observed fall, why is the date uncertain? |
Mike Murray
8/4/2021 10:53:58 AM |
Great piece! I especially like that last photo. Very cool. |
Twink Monrad
8/4/2021 9:34:15 AM |
I have a beautiful Zag from Allan Lang which I treasure |
Juergen / jnmczurich
8/4/2021 8:17:53 AM |
Great, Herbert, great! And I remember it like it was yesterday. Some samples have their own story besides the meteorite fall story :-). |
Bernd Pauli
8/4/2021 5:43:29 AM |
Very sizable "MatterZag"! |
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