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Northwest Africa 2626
Basic information Name: Northwest Africa 2626
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 2626
Observed fall: No
Year found: 2004
Country: (Northwest Africa)
Mass:help 31.1 g
Classification
  history:
Meteoritical Bulletin:  MB 89  (2005)  Martian (basaltic shergottite)
MetBase:  v. 7.1  (2006)  Shergottite-basaltic (ol phyric)
Recommended:  Martian (shergottite)    [explanation]

This is 1 of 189 approved meteorites (plus 1 unapproved name) classified as Martian (shergottite).   [show all]
Search for other: Martian meteorites
Writeuphelp
Writeup from MB 89:

Northwest Africa 2626

Northwest Africa

Purchased 2004 November

Martian meteorite (basaltic shergottite)

A 31.07 g completely crusted stone was purchased by MFarmer.  Classification and mineralogy (J. Wittke and T. Bunch, NAU; A. Irving and S. Kuehner, UWS): olivine-orthopyroxene-phyric basaltic rock composed of euhedral to subhedral olivine phenocrysts and preferentially-oriented, prismatic low-Ca pyroxene phenocrysts in a groundmass of zoned pigeonite (Fs26.4Wo12.4 to Fs34.1Wo12.4) FeO/MnO = 27-31; maskelynite (An66.0-71.0Or0.4), olivine (Fa43.6-47.3) FeO/MnO = 51-58; Ti-chromite (Cr/(Cr+Al) = 0.72-0.79; 9.2-19.8 wt. % TiO2), chromite (Cr/(Cr+Al) = 0.71-0.86; 0.7-2.0 wt. % TiO2), merrillite, ilmenite, ulvöspinel and pyrrhotite.  Olivine phenocrysts are zoned from Fa16.7 cores to Fa43.3 rims, and pyroxene phenocrysts have irregular cores of orthopyroxene (as magnesian as Fs17.9Wo2.4, with ~0.03 wt. % TiO2 and ~0.4 wt. % Al2O3) mantled by pigeonite (Fs25.4Wo4.4 to Fs37.0Wo12.7) with minor subcalcic augite (Fs21.7-24.0Wo 30.8-31.1). It is apparently not terrestrially paired to NWA 1195 and NWA 2046 (Irving et al., 2004b; 2005). Specimens: type specimen, 6.4 g, and one polished thin section, NAU; one polished thin section, UWS; main mass, Anonymous.

Data from:
  MB89
  Table 7
  Line 344:
Origin or pseudonym:Algeria
Date:2004
Mass (g):31.07
Pieces:1
Class:Martian
Institutions
   and collections
NAU: Geology, Bldg 12 Knoles Dr Northern Arizona University, Flagstaff, AZ 86011, United States; Website (institutional address; updated 12 Apr 2012)
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
MFarmer: Michael Farmer, P.O. Box 86059, Tucson, AZ 85754-6059, United States; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 89, MAPS 40, A201-A263 (2005)
Find references in NASA ADS:
Find references in Google Scholar:
Photos:
CreditPhotos
Photos from the Encyclopedia of Meteorites:
Mike Farmer   
The Hupe Collection   
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
abibou   
Anthony James   
Francois Pacaud   
Gerald Armstrong   
John A. Shea   
MeteoriteCollector.org - FCOM - Russ Finney   
Michael S. Scherman   
plagioklas   
xeqtr   
Geography: 
Coordinates:Unknown.

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

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