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Northwest Africa 3109
Basic information Name: Northwest Africa 3109
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 3109
Observed fall: No
Year found: 2003
Country: Morocco
Mass:help 32 g
Classification
  history:
Meteoritical Bulletin:  MB 89  (2005)  Ureilite
MetBase:  v. 7.1  (2006)  Ureilite
Recommended:  Ureilite    [explanation]

This is 1 of 528 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Writeuphelp
Writeup from MB online:

Northwest Africa 3109

Northwest Africa

Found 2003

Achondrite (ureilite)

A 32 g partial stone was purchased in Erfoud, Morocco in 2003. Description and classification (J. Wittke and T. Bunch, NAU): non-foliated ureilite with thin, reduced rims in olivine and sparse, interstitial masses of carbonaceous – reduced metal; prominent interstitial clusters of ribbon-like graphite; Cr2O3 enrichment in silicates. Olivine cores, Fa23.3 with 0.63 wt. % Cr2O3, rims, Fa7.6 and 0.15 wt. % Cr2O3. Pigeonite, Fs17.8Wo3.3 (Cr2O3 = 1.10 wt. %). Presence of (Fe,Cr)3C in interstitial carbonaceous masses (Fe = 78.8 wt. %, Cr = 13.5 wt. %; Ni = 0.52 wt. %; Co = 0.32 wt. % and C = 6.9 wt. % by difference) and an SiO2 phase. Shock level is S2; lightly weathered. Specimens: 6.5 g, NAU; main mass, Boswell.

Data from:
  MB89
  Table 7
  Line 450:
Origin or pseudonym:Morocco
Place of purchase:Erfoud
Date:2003
Mass (g):32
Pieces:1
Class:Ure
Shock stage:S2
Fayalite (mol%):23.3-7.6
Type spec mass (g):6.5
Comments:Pig Fs17.8Wo3.3; Undefined note. NAU is Northern Arizona University, Flagstaff, AZ 86011, USA
Institutions
   and collections
NAU: Geology, Bldg 12 Knoles Dr Northern Arizona University, Flagstaff, AZ 86011, United States; Website (institutional address; updated 12 Apr 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 89, MAPS 40, A201-A263 (2005)
Find references in NASA ADS:
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Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1466 approved meteorites from Morocco (plus 21 unapproved names) (plus 1 impact crater)

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