NWA 14456 H6 CHONDRITE METEORITE 140 gram, fresh meteorite

Description

NWA 14456
H6 CHONDRITE METEORITE
FOUND IN APRIL 2021
IN MOROCCO
140 GRAM
This meteorite is officially classified & approved as NWA 14456
Very fresh, highly recrystallized specimen containing rare remnant chondrules
Classification carried  out by world renowned and profoundly respected Dr Anthony J. Irving and team at University of Washington
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OFFICIAL CLASSIFICATION DATA SOURCE:
THE METEORITICAL SOCIETY
INTERNATIONAL SOCIETY FOR METEORITICS AND PLANETARY SCIENCE
LUNAR AND PLANETARY INSTITUTE
METEORITICAL BULLETIN DATABASE
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Northwest Africa 14456
Basic information
Name:
Northwest Africa 14456
This is an OFFICIAL meteorite name.
Abbreviation:
NWA 14456
Observed fall:
No
Year found:
2021
Country:
(Northwest Africa)
Mass:
1935 g
Classification
history:
Recommended:
H6
Comments:
Approved 13 Nov 2021
Writeup
Writeup from MB 110:
Northwest Africa 14456
(NWA 14456)
(Northwest Africa)
Purchased: 2021 Apr
Classification: Ordinary chondrite (H6)
History
: Purchased by Mbark Arjdal in April 2021 from a Moroccan dealer.
Petrography
: (A. Irving,
UWS
and J. Boesenberg,
BrownU
) Very fresh, highly recrystallized specimen containing rare remnant chondrules. Accessory phases are sodic plagioclase, kamacite, troilite, chromite, merrillite and chlorapatite.
Geochemistry
: Olivine (Fa
19.6±0.2
, range Fa
19.4-19.9
, N = 7), low-Ca pyroxene (Fs
17.2±0.2
Wo
1.4±0.1
, range Fs
16.9-17.4
Wo
1.2-1.6
, N = 7).
Classification
: Ordinary chondrite (H6).
Specimens
: 93.7 g including one polished thin section at
UWB
; remainder with Mr. M. Arjdal.
Data from:
MB110
Table 0
Line 0:
Place of purchase:
Morocco
Date:
P 2021 Apr
Mass (g):
1935
Pieces:
3
Class:
H6
Shock stage:
S2
Weathering grade:
W0/1
Fayalite (mol%):
19.6±0.2
Ferrosilite (mol%):
17.2±0.2
Wollastonite (mol%):
1.4±0.1
Classifier:
A. Irving, UWS, and J. Boesenberg, BrownU
Type spec mass (g):
93.7
Type spec location:
UWB
Main mass:
M. Arjdal
Comments:
Work name Arj ZA 1; submitted by A. Irving
Institutions
and collections
UWS
: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
UWB
: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
BrownU
: Brown University Providence, RI 02912, United States (institutional address; updated 7 Sep 2019)
Catalogs:
References:
Published in Meteoritical Bulletin, no. 110, in preparation (2021)
Find references in NASA ADS:
Find references in Google Scholar:
Geography:
Coordinates:
Unknown.
Statistics:
This is 1 of 8009 approved meteorites from
(Northwest Africa)
(plus 1951 unapproved names)
Also see:
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Revision
history:
This lists important revisions made to data for this record.