NWA 10699 LL(L) 3 Chondrite Meteorite 2.4g windowed frag of Primitive early type

Description

NORTHWEST AFRICA 10699
LL(L) 3 CHONDRITE METEORITE
2.4 GRAMS
TYPE 3 PRIMITIVE CHONDRULES FORMED IN THE EARLIEST TIMES OF OUR SOLAR SYSTEM
THIS SPECIMEN IS A SNAPSHOT OF WHAT CONDITIONS WERE LIKE BEFORE THE EARTH WAS FORMED
LOADED WITH EXOTIC LOOKING COLORFUL CHONDRULES
THIS METEORITE IS BILLIONS OF YEARS OLD!
OFFICIAL CLASSIFICATION DATA SOURCE:
The Meteoritical Society
International Society for Meteoritics and Planetary Science
Lunar and Planetary Institute
Meteoritical Bulletin Database
Northwest Africa 10699
Basic information
Name:
Northwest Africa 10699
This is an OFFICIAL meteorite name.
Abbreviation:
NWA 10699
Observed fall:
No
Year found:
2016
Country:
(Northwest Africa)
Mass:
983 g
Classification
history:
Recommended:
LL(L)3
This is 1 of 13 approved meteorites classified as LL(L)3.
Comments:
Approved 9 Jul 2016
Writeup
Writeup from MB 105:
Northwest Africa 10699
(NWA 10699)
(Northwest Africa)
Purchased: 2016 Mar
Classification: Ordinary chondrite (LL(L)3)
History
: Purchased by John Higgins in March 2016 from a dealer in Guelmim, Morocco.
Petrography
: (A. Irving and S. Kuehner,
UWS
) Closely packed, well-formed chondrules (apparent diameter 600±200 ?m) are set in a sparse matrix containing altered metal.
Geochemistry
: Olivine (Fa
0.7-86.5
; Cr
2
O
3
in ferroan examples 0.05-0.14 wt.%, mean 0.09±0.03, N = 7), orthopyroxene (Fs
5.5
Wo
0.2
), pigeonite (Fs
17.2
Wo
8.1
), subcalcic augite (Fs
9.4
Wo
29.2
), augite (Fs
11.3
Wo
36.2
).
Classification
: Ordinary chondrite (LL(L)3).
Specimens
: 27 g including one polished thin section at
UWB
; remainder with Mr. J. Higgins.
Data from:
MB105
Table 0
Line 0:
Place of purchase:
Guelmim
Date:
P 2016 Mar
Mass (g):
983
Pieces:
1
Class:
LL(L)3
Shock stage:
S2
Weathering grade:
W2
Fayalite (mol%):
0.7-86.5
Ferrosilite (mol%):
5.5; 17.2; 9.4; 11.3
Wollastonite (mol%):
0.2; 8.1; 29.2; 36.2
Classifier:
A. Irving and S. Kuehner, UWS
Type spec mass (g):
27
Type spec location:
UWB
Main mass:
J. Higgins
Comments:
JH16-1; submitted by A. Irving
Institutions
and collections
University of Washington, Department of Earth and Space Sciences
Catalogs:
References:
Published in Meteoritical Bulletin, no. 105, in preparation (2016)
GUARANTEED AUTHENTICITY
Member of the Meteoritical Society & International Meteorite Collectors Association #9822 The authenticity of this meteorite has a 100% guarantee. Signed Certificate of Authenticity Included. Comes with acrylic display case/box to protect and show your new meteorite. First class delivery and provenance provided exhibiting important details of the classification & petrography.
1cm scale cube for reference purposes.
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