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Northwest Africa 1006
Basic information Name: Northwest Africa 1006
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 1006
Observed fall: No
Year found: 2001
Country: (Northwest Africa)
Mass:help 24.5 g
Classification
  history:
Meteoritical Bulletin:  MB 90  (2006)  Ureilite
Recommended:  Ureilite    [explanation]

This is 1 of 572 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Comments: Approved 21 Feb 2005
Writeuphelp
Writeup from MB 90:

Northwest Africa 1006

Morocco

Find: 2001

Achondrite (ureilite)

History: On 27 August 2001, M. Farmer purchased a 24.5 g sample in Quarzazate, Morocco.

Petrography: (P. Warren, UCLA) The meteorite is mostly composed of olivine and pigeonite with minor orthopyroxene. The Px/(Px+Ol) ratio is ~0.4. Olivines have rims with reduced chemistry.

Geochemistry: Olivine (cores Fo89.6; CaO = 0.33; Cr2O3 =  0.64 [both wt%; n = 47]), pigeonite (En82.8Wo7.9; Cr2O3 = 0.99, Al2O3 = 0.57, MnO = 0.47 [all wt%; n = 17]), orthopyroxene (En86.4Wo4.7; Cr2O3 = 0.95, Al2O3 = 0.62 [both wt%; n = 3; all analyses by EMP]). Based on INAA data (UCLA), typical ureilite trace-element composition (except for weathering effects): Sc = 9.4, Ni = 720, Zn = 330 (all µg/ g); Ir = 124, Au = 16.1 (both ng/g).

Classification: Achondrite (ureilite); low shock.

Specimens: A 5.86 g type specimen is on deposit at UCLA. MFarmer holds the main mass.

Data from:
  MB90
  Table 2
  Line 3:
Place of purchase:Morocco
Date:27 Aug 2001
Mass (g):24.5
Pieces:1
Class:Ure
Shock stage:low
Fayalite (mol%):~10
Type spec mass (g):5.86
Institutions
   and collections
UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011)
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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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7688 approved meteorites from (Northwest Africa) (plus 1972 unapproved names)

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