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An MPOD Classic
from 30 May 2014

 
QUE 93001   contributed by AMN   MetBul Link


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View all entries for   Meteorite (2)   Contributor (146)


1050.8 grams. 10 x 75 x 65 mm.   Mesosiderite
Fall not observed. Found 1993 in Antarctica.
Location Map of Antarctic Finds



AMN writes:
Macroscopic Description - Cecilia Satterwhite
Small, dull patches of fusion crust remain on QUE 93001 but are gone from 93002. The overall color of the exterior of these two specimens is red-brown. Large and small pyroxene crystals, both green and black in color, are visible on the exterior surfaces. The largest crystal noted in 93001 was 3 x 2 cm in dimension. Numerous fractures penetrate the interior of the specimens making the meteorite easy to break apart. Chipping the specimens revealed an interior that is red-brown, pyroxene-rich, and contains some rounded dark inclusions.
Thin Section Description (,5) - Brian Mason
The sections are identical and evidently represent a single meteorite. They show pyroxene and plagioclase clasts, up to 2.4 mm across, in a matrix of nickel-iron and minor troilite (the nickel-iron extensively weathered to limonite). Most of the pyroxene is hypersthene, with composition Wo3Fs24, but a few grains of pigeonite were analyzed. Plagioclase compositions are in the range An90-96. The meteorite is a mesosiderite, and can be confidently paired with QUE 86900 (AMN 10(2), 1987).


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Roberto Vargas

This Month

Mike Jensen
 1/28/2020 10:43:35 PM
Wow what an amazing and rare specimen. I could only dream of finding such wonderful meteorite.
John Divelbiss
 1/27/2020 2:51:16 PM
ya gotta luv these "COLD" finds... the Antarctic find posts are very interesting.
Anne Black
 1/27/2020 10:55:55 AM
Thank you Paul. Don't be too hard on that Programmer, he is doing the best he can, and you don't want him to quit.
Paul Swartz
 1/27/2020 10:10:53 AM
My apologies for failing to show a picture this morning. It was the Idiot Programmer (again!) who is just now getting a proper beating.
 

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