Meteorite NWA 11543 - Carbonaceous Chondrite type CV3 - Nice contrasted matrix

Description

NWA 11543
NWA 11543
Found 2017
Carbonaceous Chondrite
CV3
Specimen is a 1.42g endcut
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Chondrules (average apparent diameter 1.4 mm, N=20), mostly of type I, and CAIs (to 800 μm) set in a fine-grained iron-rich matrix.
Northwest Africa 11543
Basic information
Name:
Northwest Africa 11543
This is an OFFICIAL meteorite name.
Abbreviation:
NWA 11543
Observed fall:
No
Year found:
2017
Country:
(Northwest Africa)
Mass:
149 g
Classification
history:
Recommended:
CV3
Comments:
Approved 26 Dec 2017
Writeup
Writeup from MB 106:
Northwest Africa 11543
(NWA 11543)
(Northwest Africa)
Purchased: 2017
Classification: Carbonaceous chondrite (CV3)
Physical characteristics
: Dark stone. Cut surface reveals large well defined chondrules and CAIs set in a dark matrix.
Petrography
: (J. Gattacceca, H. Pourkhorsandi,
CEREGE
) Chondrules (average apparent diameter 1.4 mm, N=20), mostly of type I, and CAIs (to 800 μm) set in a fine-grained iron-rich matrix.
Geochemistry
: Olivine Fa
6.4±3.1
, range Fa
2.8-11.3
, PMD 45% (N=8). Orthopyroxene Fs
1.5±0.1
Ws1.2±0.2 (N=2).
Classification
: Carbonaceous chondrite (CV3).
Specimens
: Type specimen at
CEREGE
. Main mass with
Kuntz
.
Data from:
MB106
Table 0
Line 0:
Place of purchase:
Erfoud
Date:
P 2017
Mass (g):
149.0
Pieces:
1
Class:
CV3
Weathering grade:
high
Magnetic suscept.:
4.41
Classifier:
J. Gattacceca, H. Pourkhorsandi, CEREGE
Type spec mass (g):
24.87
Type spec location:
CEREGE
Main mass:
Kuntz
Comments:
work name K353; submitted by Jérôme Gattacceca
Institutions
and collections
CEREGE
: CEREGE BP 80 Avenue Philibert, Europole de l'Arbois 13545 Aix-en-Provence Cedex 4 France, France (institutional address; updated 5 Apr 2018)
Kuntz
: Fabien Kuntz, France;
Website
(private address)
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