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Roll Overs:
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Photos by Sang-Hyeok, Lee. Copyright (c) CC-BY-NC 4.0.
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Tektite
Sang-Hyeok, writes:
Partially Flanged Button Tektite (Australite)
The flanged button shaped tektite is extremely rare due to a combination of fragility, of the roll-over rim, and conditions under which it was formed. This unique shape was formed by a catastrophic event 0.7 million years ago. A huge meteor hit the ground and expelled molten Earth and meteorite into space where it solidified before falling back to Earth. Re-entry caused secondary melting which created the rim. Spalling and ablation also contribute to shaping tektites as shown here.
This sample was discovered at Menangina station, Australia.
Photographs made by picture stacking using Helicon Focus.
P. S. I gathered a little history of this meteorite. However I cannot find the information about the person who discovered it. If anybody knows about him/her, please let me know :)
Check out my web site |
Click to view larger photos
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Found at the arrow (green or red) on the map below
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Jim Strope
3/23/2021 4:59:40 AM |
Very nice!!!! |
Murray Paulson
3/22/2021 3:19:15 PM |
Australite Buttons are my favorite of the lot of Tektites. Very nice photos of a fair sized button. |
Bernd Pauli
3/22/2021 1:23:43 PM |
Australite buttons - complete or partial - are a fascinating thing to behold! |
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