Meteoritical Bulletin: Entry for Northwest Africa 6069

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Northwest Africa 6069

Basic information

Name: Northwest Africa 6069
This is an OFFICIAL meteorite name.
Abbreviation: NWA 6069
Observed fall: No
Year found: 2009
Country: (Northwest Africa)
Mass: 1877 g

Classification
history:

Meteoritical Bulletin:	MB 104	(2015)	Ureilite
Recommended:			Ureilite [explanation]

This is 1 of 623 approved meteorites classified as Ureilite. [show all]
Search for other: Achondrites, Ureilites

Comments:

Approved 24 Aug 2015

Writeup

Writeup from MB 104:

Northwest Africa 6069 (NWA 6069)

(Northwest Africa)

Purchased: 2009

Classification: Ureilite

History: The meteorite was purchased in 2009 from a local meteorite dealer in Agadir, Morocco.

Petrography: The meteorite shows a cumulate texture of 0.1 to 1 mm olivine and pigeonite grains that typically join at 120 degree grain boundaries. Carbon is present as flaky graphite attesting to a rather low degree of shock metamorphism. Olivine displays characteristic reduced rims. It is more coarse-grained than NWA 5928, and thus the two meteorites are likely not paired.

Geochemistry: Reduced rims in olivine: Fa_7.5-9.4; Cr₂O₃ in ol: ~1 wt%.

Data from:
  MB104
  Table 0
  Line 0:

Place of purchase:	Agadir, Morocco
Date:	P 2009
Mass (g):	1877
Pieces:	1
Class:	Ureilite
Shock stage:	low
Weathering grade:	moderate
Fayalite (mol%):	20.2±1.2 (n=11)
Ferrosilite (mol%):	17.4±0.1 (n=10)
Wollastonite (mol%):	8.7±0.2 (n=10)
Classifier:	A. Greshake, MNB
Type spec mass (g):	24.4
Type spec location:	MNB
Main mass:	Tomasz Jakubowski
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. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/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 9013 approved meteorites from (Northwest Africa) (plus 1869 unapproved names)

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