Meteoritical Bulletin: Entry for Northwest Africa 10671

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Northwest Africa 10671

Basic information

Name: Northwest Africa 10671
This is an OFFICIAL meteorite name.
Abbreviation: NWA 10671
Observed fall: No
Year found: 2016
Country: (Northwest Africa)
Mass: 394 g

Classification
history:

Meteoritical Bulletin:	MB 105	(2016)	CK6
Recommended:			CK6 [explanation]

This is 1 of 80 approved meteorites classified as CK6. [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites

Comments:

Approved 7 Jun 2016

Writeup

Writeup from MB 105:

Northwest Africa 10671 (NWA 10671)

(Northwest Africa)

Purchased: Mar 2016

Classification: Carbonaceous chondrite (CK6)

History: The meteorite was bought March 2016 from a meteorite dealer in Hamada of Zag, Morocco.

Physical characteristics: The meteorite shows a fresh grayish-greenish sawn surface.

Petrography: The meteorite is largely composed of recrystallized olivine-dominated matrix with few scattered chondrules still being discernible. Maximum chondrule diameter observed is 1.6 mm. Intermediate plagioclase occurs frequently in the matrix and is up to 150 μm in size. Cr-rich magnetite is abundant. Minor phases include low-Ca pyroxene, Ca-pyroxene and troilite.

Geochemistry: olivine: Fa_30.9±0.2, n=16; low-Ca pyroxene: Fs_26.4Wo_0.6(N=3); Ca-pyroxene: Fs_11.4Wo_46.0(N=3); Cr₂O₃ in magnetite: 4.7 wt% (N=3)

Data from:
  MB105
  Table 0
  Line 0:

Place of purchase:	Morocco
Date:	P Mar 2016
Mass (g):	394
Pieces:	1
Class:	CK6
Shock stage:	S1
Weathering grade:	low
Fayalite (mol%):	30.9±0.2 (n=16)
Ferrosilite (mol%):	26.4; 11.4
Wollastonite (mol%):	0.6; 46.0
Classifier:	A. Greshake, MNB
Type spec mass (g):	22.3
Type spec location:	MNB
Main mass:	Marcin Cimala
Comments:	Submitted by Ansgar Greshake

Institutions
and collections

MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full

Find references in NASA ADS:
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Photos:

Credit	Photos
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
Woreczko Jan & Wadi

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9111 approved meteorites from (Northwest Africa) (plus 1873 unapproved names)

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