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Northwest Africa 4693
Basic information Name: Northwest Africa 4693
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 4693
Observed fall: No
Year found: 2006
Country: Morocco
Mass:help 866 g
Classification
  history:
Meteoritical Bulletin:  MB 92  (2007)  R3-6
Recommended:  R3-6    [explanation]

This is 1 of 19 approved meteorites classified as R3-6.   [show all]
Search for other: Rumuruti chondrites, Rumuruti chondrites (type 3)
Comments: Approved 24 Jul 2007
Writeuphelp
Writeup from MB 92:

Northwest Africa 4693

Morocco

Find: 2006

Rumuruti chondrite (R3-6)

History: The meteorite was recovered by an anonymous finder in western part of the Sahara and bought by the main mass holder in Erfoud, Morocco in 2006.

Physical characteristics: One stone weighting 866.2 g.

Petrography: (A. Greshake, MNB). A brecciated chondrite with pronounced dark and brighter lithologies ranging from petrological type 3 to 6.

Mineral compositions: Olivine (Fa24.3; range Fa4.6-39.2) and low-Ca pyroxene (Fs30; range Fs2.3-34.7).

Classification: Rumuruti chondrite (R3-6); S2, moderate weathering.

Type specimens: A total of 24.3 g of sample plus one polished thin section are on deposit at MNB. HSSH holds the main mass.

Data from:
  MB92
  Table 2
  Line 130:
Place of purchase:Erfoud, Morocco
Date:Nov-2006
Mass (g):866.2
Pieces:1
Class:R3-6
Type spec mass (g):24.3
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstrasse 43, D-10115 Berlin, Germany (institutional address)
HSSH: Hanno Strufe, Langenbergstr. 32, 66954 Pirmasens, Germany; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 92, MAPS 42, 1647-1694 (2007)
Find references in NASA ADS:
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Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1374 approved meteorites from Morocco (plus 16 unapproved names) (plus 1 impact crater)

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