NWA 14143 L5 Monomict Breccia Chondrite Meteorite 29.5g desert polished fragment

Description

NORTHWEST AFRICA 14143
L5 MONOMICT BRECCIA CHONDRITE METEORITE
29.5 GRAM FRAGMENT
FOUND BY 3 FRIENDS WHO WENT OUT METEORITE HUNTING NEAR THE BEACH AT TAN TAN PLAGE MOROCCO.
IT WAS FOUND NOT FAR FROM THE ATLANTIC OCEAN COASTLINE.
OFFICIAL CLASSIFICATION DATA SOURCE:
The Meteoritical Society
International Society for Meteoritics and Planetary Science
Lunar and Planetary Institute
Meteoritical Bulletin Database
Northwest Africa 14143
Basic information
Name:
Northwest Africa 14143
This is an OFFICIAL meteorite name.
Abbreviation:
NWA 14143
Observed fall:
No
Year found:
2018
Country:
Morocco
Mass
7.44 kg
Classification
history:
Recommended:
L5
This is 1 of 8296 approved meteorites (plus 4 unapproved names) classified as L5.
Comments:
Approved 1 Aug 2021
Northwest Africa 14143
(NWA 14143)
Morocco
Find: 2018 Sep
Classification: Ordinary chondrite (L5)
History
: Found in September 2018 near Tan Tan Plage, Morocco, and purchased by John Higgins in September 2020 from a dealer in Ouarzazate, Morocco.
Petrography
: (A. Irving,
UWS
and P. Carpenter,
WUSL
) Monomict breccia containing clasts up to 1.5 cm in size. Both the lithic clasts and interclast material consist of sparse chondrules within a recrystallized matrix containing altered kamacite, taenite, sodic plagioclase, merrillite, troilite and rare chlorapatite. Some veinlets of secondary calcite are present.
Geochemistry
: Olivine (Fa
25.4±0.2
, range Fa
25.1-25.6
, N = 7), low-Ca pyroxene (Fs
21.4±0.2
Wo
1.7±0.2
, range Fs
21.2-21.6
Wo
1.4-1.9
, N = 4), augite (Fs
8.5±0.8
Wo
44.9±1.2
, range Fs
7.9-9.0
Wo
45.7-44.0
, N = 2).
Classification
: Ordinary chondrite (L5 breccia).
Specimens
: 111 g including one polished thin section at
UWB
; remainder with Mr. J. Higgins.
Data from:
MB110
Table 0
Line 0:
Place of purchase:
Ouarzazate
Date:
2018 Sep
Mass (g):
7437
Pieces:
many
Class:
L5
Shock stage:
S2
Weathering grade:
W2
GUARANTEED AUTHENTICITY
IMCA ( INTERNATIONAL METEORITE COLLECTORS ASSOCIATION )
I AM MEMBER # 9822  JOHN HIGGINS. THIS METEORITE IS FROM MY PERSONAL COLLECTION. I AM THE MAIN MASS HOLDER WITH NO BREAKS IN THE CHAIN OF PROVENANCE. MY NAME MATCHES THE ONE LISTED IN THE METEORITICAL SOCIETY BULLETIN OF WHICH I AM A LONGTIME MEMBER OF THE METEORITICAL SOCIETY IN GOOD STANDING.
I HAVE GONE THROUGH GREAT LENGTHS TO PERSONALLY CURATE AND PRESENT THIS METEORITE. THIS IS A HIGH-QUALITY METEORITE SPECIMEN THAT HAS CONTRIBUTED TO THE SCIENCE OF METEORITICS. BEING WORKED ON BY  THE WORLD RENOWN TEAM OF METEORITE RESEARCHERS LED BY DOCTOR ANTHONY J. IRVING
The authenticity of this meteorite has a 100% guarantee. Signed Certificate of Authenticity Included. First class delivery and provenance provided exhibiting important details of the classification & petrography.
1cm scale cube for reference purposes.
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