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Northwest Africa 4615
Basic information Name: Northwest Africa 4615
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 4615
Observed fall: No
Year found: 2006
Country: (Northwest Africa)
Mass:help 10.5 g
Classification
  history:
Meteoritical Bulletin:  MB 92  (2007)  R3.4
Recommended:  R3.4    [explanation]

This is the only approved meteorite classified as R3.4.
Search for other: Rumuruti chondrites, Rumuruti chondrites (type 3)
Comments: Approved 24 Jul 2007
Writeuphelp
Writeup from MB 92:

Northwest Africa 4615

Northwest Africa

Find: 2006

Rumuruti chondrite (R3.4)

History: The meteorite was recovered by an anonymous hunter in the western part of the Sahara and purchased by J. Nauber in Morocco in 2006.

Physical characteristics: A10.5 g stone.

Petrography: (A. Greshake, MNB) Various textural types of chondrules with clearly defined outlines as well as chondrule and mineral fragments, all embedded in a dark, fine-grained matrix. The meteorite appears unbrecciated in the thin section studied.

Mineral compositions: Olivine (Fa23.9±14.7; range Fa2.4-41.5), low-Ca pyroxene (Fs14.5±6.9; range Fs3.8-25.3).

Classification: Rumuruti chondrite (R3.4): S2; moderate weathering.

Type specimens: A total of 2.9 g of sample plus one polished thin section are on deposit at MNB. JNMC holds the main mass.

Data from:
  MB92
  Table 2
  Line 113:
Place of purchase:Morocco
Date:2006
Mass (g):10.5
Pieces:1
Class:R3.4
Type spec mass (g):2.9
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstrasse 43, D-10115 Berlin, Germany (institutional address)
JNMC: jnmczurich, P.O. Box 208, CH-8155 Niederhasli, Switzerland; Website (private address; updated 4 Feb 2014)
Catalogs:
References: Published in Meteoritical Bulletin, no. 92, MAPS 42, 1647-1694 (2007)
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6752 approved meteorites from (Northwest Africa) (plus 2052 unapproved names)

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