.313 grams 12x6x2mm NWA 11182 Lunar Moon Meteorite (feldsp. breccia) with COA

Description

Northwest Africa 11182
Name:
Northwest Africa 11182
This is an OFFICIAL meteorite name.
Abbreviation:
NWA 11182
Observed fall:
No
Year found:
2017
Country:
(Northwest Africa)
Mass:
60 grams
Meteoritical Bulletin:
(2018)
Lunar (feldsp. breccia)
Recommended:
Lunar (feldsp. breccia)
This is 1 of 253 approved meteorites classified as Lunar (feldsp. breccia).
Northwest Africa 11182
(NWA 11182)
(Northwest Africa)
Purchased: 2017
Classification: Lunar (feldsp. breccia)
History
: Purchased by Ruben Garcia from Said Haddany in Tucson, 2017.
Physical characteristics
: Single stone, no fusion crust. A saw cut reveals a fragmental breccia with numerous white feldspathic clasts and fine-grained lithic fragments, set in a dark-gray ground mass.
Petrography
: (C. Agee,
UNM
) This meteorite consists of primarily feldspathic clasts, microgabbro clasts, and shock melt, some containing vesicles.
Geochemistry
: (C. Agee and B. Ha,
UNM
) pigeonite Fs
28.9±1.6
Wo
11.8±7.0
, Fe/Mn=56±3, n=2; high Ca pyroxene Fs
22.7±11.7
Wo
28.6±5.9
, Fe/Mn=52±2, n=2; two olivine grains were found: Fa
16.9
and Fa
34.6
with Fe/Mn=91 and 98 respectively; plagioclase An
92.9±3.2
Ab
6.8±3.2
Or
0.3±0.1
, n=4
Classification
: Lunar feldspathic breccia
Specimens
: 12 g plus a probe mount on deposit at
UNM
, Ruben Garcia holds the main mass.
Place of purchase:
Tucson
Date:
P 2017
Mass (g):
60
Pieces:
1
Class:
Lunar (felds. breccia)
Shock stage:
High
Weathering grade:
Moderate
Ferrosilite (mol%):
28.9±1.6; 22.7±11.7
Wollastonite (mol%):
11.8±7.0; 28.6±5.9
Classifier:
C. Agee, UNM
Type spec mass (g):
12
Type spec location:
UNM
Main mass:
Ruben Garcia
Comments:
Submitted by C. Agee
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