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Northwest Africa 10706
Basic information Name: Northwest Africa 10706
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10706
Observed fall: No
Year found: 2016
Country: Western Sahara
Mass:help 305 g
Meteoritical Bulletin:  MB 105  (2016)  Diogenite
Recommended:  Diogenite    [explanation]

This is 1 of 485 approved meteorites classified as Diogenite.   [show all]
Search for other: Achondrites, Diogenites, and HED achondrites
Comments: Approved 20 Jun 2016
Writeup from MB 105:

Northwest Africa 10706 (NWA 10706)

Western Sahara

Purchased: Jan 2016

Classification: HED achondrite (Diogenite)

History: Purchased in January 2016; reportedly found in the valleys of Lemtareg, Western Sahara, November 2015.

Physical characteristics: Single stone with fusion crust. A saw-cut surface shows scattered green, fragmental pyroxenes, some up to 4 mm, set in a fine grained, light colored, orange-brown groundmass.

Petrography: (C. Agee, UNM) This is a breccia with dominant fragmental pyroxene grains in a wide range of sizes (10-3000 μm). There is approximately 5-10% olivine present, grains range in size from approximately 20-200 μm.

Geochemistry: (C. Agee and M. Spilde, UNM) Olivine Fa29.3±0.8, Fe/Mn=54±4, n=3; low-Ca pyroxene Fs24.3±0.2Wo2.7±0.2, Fe/Mn=30±1, n=7.

Classification: Olivine-bearing diogenite

Specimens: 20.24 g including a probe mount on deposit at UNM, DPitt holds the main mass.

Data from:
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P Jan 2016
Mass (g):304.9
Shock stage:high
Weathering grade:low
Fayalite (mol%):29.3±0.8
Ferrosilite (mol%):24.3±0.2
Wollastonite (mol%):2.7±0.2
Classifier:C. Agee, UNM
Type spec mass (g):20.24
Type spec location:UNM
Main mass:DPitt
Comments:Field name MCVICH035; submitted by C. Agee, UNM
   and collections
UNM: Institute of Meteoritics MSC03 2050 University of New Mexico Albuquerque NM 87131-1126 USA, United States; Website (institutional address; updated 12 Feb 2015)
DPitt: Darryl Pitt, 225 West 83rd Street, New York, NY 10024, United States; Website (private address)
References: Published in Meteoritical Bulletin, no. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
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Western Sahara

     This is 1 of 245 approved meteorites from Western Sahara (plus 19 unapproved names)

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