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  11 - September - 2019

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Aguas Zarcas   contributed by Fabrice Demoulins, IMCA 7284   MetBul Link

Roll Overs:     Photo 1   Photo 2   Photo 3   Photo 4    

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View all entries for   Meteorite (5)   Contributor (4)

Photos by Gary Fujihara.   Photo Copyright (c) The Big Kahuna.
3.76 gram oriented individual.   CM2

TKW ~12 kg. Observed fall 23 April 2019, Alajuela, Costa Rica.


Fabrice writes:
This individual is 100% fusion crusted.

From the MetBul:
At 21:07 local time on 23 April 2019, a meteorite fall was reported in Aguas Zarcas, San Carlos county, Alajuela province, Costa Rica. The fireball traveled WNW to ESE and was caught on cameras of the National Seismological Network (RSN) at the summit of Pos and Turrialba volcanoes, and from the Volcanological and Seismological Observatory of Costa Rica (OVSICORI).

Stones under ~50 g are typically angular to blocky and lack regmaglypts. Also found were several plate-like, oriented stones. For example, one oriented plate is 13 cm wide and 1 cm thick. Many stones are oriented with a domed leading edge and well-developed roll-over lip along the rim of the trailing edge. Larger stones, especially those near 1 kg, show broad regmaglypts, some well developed. The fusion crust on several of the trailing edge surfaces is iridescent.

Pre-rain material crushed in a few ml of water emits a powerful "Murchison-like" odor, though with a more prominent compost-like scent.

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Photo 1

Photo 2

Photo 3

Photo 4

Found at the arrow (green or red) on the map below


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Brian Cox

This Month

7 pictures in the Queue
 9/11/2019 10:27:08 PM
This is a beautiful example of some unique flight marking that you can only imagine glowing incandescent! ...reminded me of "The Doomsday Machine", a Star Trek episode about a similarly shaped rock that ate starships if they were caught in the gravitational force going into its "mouth" end...
John Divelbiss
 9/11/2019 11:58:10 AM
yes Bernd, in photo #3 we are looking at the rimmed tail of a "bullet/slug" shaped oriented stone...with the nosecone pushed into the orange putty.
Bernd Pauli
 9/11/2019 3:38:54 AM
Fabrice, that's a beautiful, fully crusted Aguas Zarcas individual. Photo #3 is especially interesting!


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