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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:help 684 g
Classification
  history:
Meteoritical Bulletin:  MB 106  (2018)  L3-6
Recommended:  L3-6    [explanation]

This is 1 of 51 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
Writeuphelp
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: Fa24.7±4.2 (Fa21.5-38.6; n=18); Fs16.2±4.3 (Fs12.4-20.8; n=4); Mineral chemistry of type 6 clasts: Fa24.0±0.7 (Fa22.9-24.9; n=13); Fs19.8±0.3 (Fs19.2-20.3; 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.
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6781 approved meteorites from (Northwest Africa) (plus 2047 unapproved names)

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