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Northwest Africa 1929
Basic information Name: Northwest Africa 1929
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 1929
Observed fall: No
Year found: 2003
Country: Morocco
Mass:help 922 g
Classification
  history:
Meteoritical Bulletin:  MB 90  (2006)  Howardite
Recommended:  Howardite    [explanation]

This is 1 of 427 approved meteorites classified as Howardite.   [show all]
Search for other: Achondrites, HED achondrites, and Howardites
Comments: Approved 3 Feb 2006
Writeuphelp
Writeup from MB 90:

Northwest Africa 1929

Morocco

Find: May 2003

Achondrite (howardite)

History: A 922.2 g, partially crusted, complete stone was purchased in Erfoud, Morocco, in May 2003.

Petrography: (T. Bunch and J. Wittke, NAU ) A breccia of 72 vol% cumulate eucrite clasts, 8% subophitic clasts, 14% diogenites, and 6% melt clasts. Pervasive solid-state recrystallization of plagioclase and pyroxenes with localized melt pockets and veins in clasts.

Geochemistry: Coarse-grained gabbroic eucrite: Pyroxene (Fs45–40Wo7–20); plagioclase (An91.2–95.3); metal (Ni = 0.97; Cr = 0.87 [both wt%]). Diogenite: Pyroxene (Fs43–54Wo2.5–3.6; Fe/Mn = 36, 37).

Classification: Achondrite (howardite); high shock.

Specimens: A 22.02 g type specimen is on deposit at NAU. MFarmer holds the main mass.

Data from:
  MB90
  Table 2
  Line 9:
Place of purchase:Erfoud, Morocco
Date:May 2003
Mass (g):922.2
Pieces:1
Class:How
Shock stage:High
Classifier:J. Wittke and T. Bunch
Type spec mass (g):22.02
Type spec location:NAU
Institutions
   and collections
NAU: Geology, Bldg 12 Knoles Dr Northern Arizona University, Flagstaff, AZ 86011, United States; Website (institutional address; updated 12 Apr 2012)
MFarmer: Michael Farmer, P.O. Box 86059, Tucson, AZ 85754-6059, United States; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 90, MAPS 41, 1383-1418 (2006)
Find references in NASA ADS:
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Photos:
CreditPhotos
Photos from the Encyclopedia of Meteorites:
Shinishi Kato   
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Astro-Piet   
David Hardy   
David L. Ribeca Photo added 20 Oct 2022
Dirk Hohmann         
Gerald Armstrong Photo added 20 Oct 2022
Photo added 20 Oct 2022
Gregor H.   
Jay Piatek   
Michael S. Scherman Photo added 20 Oct 2022
Photo added 20 Oct 2022
Predrag Radovic   
Rene Schmit Photo added 20 Oct 2022
Robert Smart   
Robert Zdancewicz Photo added 20 Oct 2022
Volker Heinrich Photo added 20 Oct 2022
Woreczko Jan & Wadi   
Photo added 20 Oct 2022
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1903 approved meteorites from Morocco (plus 27 unapproved names) (plus 1 impact crater)

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