Meteoritical Bulletin: Entry for Northwest Africa 5761

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Northwest Africa 5761

Basic information

Name: Northwest Africa 5761
This is an OFFICIAL meteorite name.
Abbreviation: NWA 5761
Observed fall: No
Year found: 2005
Country: (Northwest Africa)
Mass: 684 g

Classification
history:

Meteoritical Bulletin:	MB 106	(2018)	L3-6
Recommended:			L3-6 [explanation]

This is 1 of 62 approved meteorites classified as L3-6. [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)

Comments:

Approved 26 Jan 2017

Writeup

Writeup from MB 106:

Northwest Africa 5761 (NWA 5761)

(Northwest Africa)

Purchased: 2005 Dec 9

Classification: Ordinary chondrite (L3-6)

History: Purchased from a Moroccan dealer at the mineral fair (CCH) in Hamburg, Germany.

Petrography: (K. Metzler, IfP) Genomict breccia, consisting of unequilibrated (L3) and equilibrated clasts (L6), embedded in related, fine-grained, clastic material.

Geochemistry: Mineral chemistry of type 3 clasts: Fa_24.7±4.2(Fa_21.5-38.6; n=18); Fs_16.2±4.3(Fs_12.4-20.8; n=4); Mineral chemistry of type 6 clasts: Fa_24.0±0.7(Fa_22.9-24.9; n=13); Fs_19.8±0.3(Fs_19.2-20.3; n=11)

Data from:
  MB106
  Table 0
  Line 0:

Place of purchase:	Hamburg
Date:	P 2005 Dec 9
Mass (g):	684
Pieces:	2
Class:	L3-6
Shock stage:	S2
Weathering grade:	W1-2
Fayalite (mol%):	24.7±4.2; 24.0±0.7
Ferrosilite (mol%):	16.2±4.3; 19.8±.0.3
Classifier:	A. Bischoff, IfP
Type spec mass (g):	20
Type spec location:	IfP
Main mass:	anonymous
Comments:	Submitted by K. Metzler (IfP)

Institutions
and collections

IfP: Institut für Planetologie, Wilhelm-Klemm-Str. 10, 48149 Münster, Germany (institutional address; updated 23 Jan 2012)

Catalogs:

References:

Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.

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Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)

Also see:

This lists the most popular meteorites among people who looked up this meteorite.

Revision
history:

This lists important revisions made to data for this record.

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