Meteoritical Bulletin: Entry for Northwest Africa 5007

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Northwest Africa 5007

Basic information

Name: Northwest Africa 5007
This is an OFFICIAL meteorite name.
Abbreviation: NWA 5007
Observed fall: No
Year found: 2006
Country: (Northwest Africa)
Mass: 21 g

Classification
history:

Meteoritical Bulletin:	MB 105	(2016)	EL6
Recommended:			EL6 [explanation]

This is 1 of 130 approved meteorites classified as EL6. [show all]
Search for other: EL chondrites, Enstatite chondrites, Enstatite chondrites (type 4-7), and Enstatite-rich meteorites

Comments:

Approved 31 Mar 2016

Writeup

Writeup from MB 105:

Northwest Africa 5007 (NWA 5007)

(Northwest Africa)

Purchased: 2006

Classification: Enstatite chondrite (EL6)

History: The meteorite was found by an anonymous finder in northwest Africa and bought by the main mass holder in Morocco.

Physical characteristics: One small, dark brown fragment without fusion crust weighing 21 g was found.

Petrography: The meteorite consists dominantly of almost pure enstatite and displays a completely recrystallized texture. Minor phases include troilite, alabandite and daubreelite. Metal is strongly altered to iron oxides.

Geochemistry: Metal contains about 1.1 wt% Si

Data from:
  MB105
  Table 0
  Line 0:

Place of purchase:	Morocco
Date:	P 2006
Mass (g):	21
Pieces:	1
Class:	EL6
Shock stage:	low
Weathering grade:	high
Ferrosilite (mol%):	0.8±0.4 (0.3-1.7, n=20)
Wollastonite (mol%):	1.4±0.1 (1.4-1.5, n=20)
Classifier:	A. Greshake, MNB
Type spec mass (g):	6.3
Type spec location:	MNB
Main mass:	Harald Stehlik
Comments:	Submitted by Ansgar Greshake

Institutions
and collections

MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Stehlik: Harald Stehlik, 1220 Wien, Austria (private address)

Catalogs:

References:

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

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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9116 approved meteorites from (Northwest Africa) (plus 1873 unapproved names)

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