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Northwest Africa 5754
Basic information Name: Northwest Africa 5754
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 5754
Observed fall: No
Year found: 2008
Country: (Northwest Africa)
Mass:help 224 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  R3-5
Recommended:  R3-5    [explanation]

This is 1 of 14 approved meteorites classified as R3-5.   [show all]
Search for other: Rumuruti chondrites, Rumuruti chondrites (type 3)
Comments: Approved 28 Oct 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 5754 (NWA 5754)

(Northwest Africa)

Purchased: 2008 Oct 30

Classification: Rumuruti chondrite (R3-5)

History: Purchased from a Moroccan dealer at the mineral fair (Messe München) in Munich, Germany.

Petrography: (K. Metzler, IfP) Genomict breccia, consisting of unequilibrated (R3) and equilibrated clasts (R5), embedded in finer-grained material. Mean apparent chondrule size in unequilibrated areas: 0.38 mm (0.1-1.3 mm; n=42). No metal is observed. Most sulfides are terrestrially oxidized.

Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Munich
Date:P 2008 Oct 30
Mass (g):224
Pieces:1
Class:R3-5
Shock stage:S2
Weathering grade:high
Fayalite (mol%):40.3±1.5 (36.6-44.6; n=40)
Ferrosilite (mol%):18.5±7.4 (4.8-31.1; n=20)
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 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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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6900 approved meteorites from (Northwest Africa) (plus 2027 unapproved names)

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