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  • Posts

    • Interesting article. Meteorites decay and terrestrialize and I suppose a tektite might do the same. It sounds reasonable that they could form the core of an concretion. Many things do. I have found a lot of concretions with some mighty peculiar shapes. Some that seem pretty impossible. Many that look like an art project. I have always wondered what bizarre force of nature shaped and colored them like that.  I'm a bit skeptical that anything I have seen is a petrified tektite. But I have plenty of concretions that resemble petrified alien artifacts, some petrified snowmen and a few petrified male sex organs. I'm sure there may be a petrified tektite out there somewhere too. There is a spot nearby that produces all sorts of concretions. Most are spheres. They can be solid hematite capable of taking a polish to loose sandstone that crumbles with thumb pressure. Some have cores and others have cores within cores. Some are perfectly spherical and Some are flattened. Some have an "equator" running around them. Some are long tapered worms running through series of spheres. Some look like little rubber ducks with a tail and a beak. Others are series of blobs and shapes a lot like a couple of yours.... Kinda like petrified bacteria colonies similar to stromatolite.  There is a definite "style" to concretions from certain areas. Almost like they were created by different artists. They are no doubt a big mystery. I have been fascinated by concretions and their shapes for several decades now. They are some of the nicest rocks I have ever had the pleasure of meeting.
    • Thank you!   Have you read this article    http://adsabs.harvard.edu/pdf/1950PA.....58R..35L
    • They aren't fossilized tektites but they are cool.   I have a fairly large collection of sandstone concretions. I love 'em!   Thanks for posting these. They are awesome.
    • You look for free metallic iron.  If the iron is mineral iron (sub metallic) it is terrestrial. If the iron is free metallic iron it is a suspect meteorite and warrants further investigation. Sand a window. If the cuttings are shades of red or grey you have an terrestrial stone. If it is metallic you should find someone to professionally evaluate it. You can tell right away if you have a suspect stone by grinding a little window and observing the interior.  
    • I saw some iron meteorites that look like this one, but I do not recall ever seeing a stone meteorite that looks like this one does. Could you please post a picture of the part you scratched?
  • Today's Birthdays

    1. hardtimehermit
      hardtimehermit
      (50 years old)
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