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Northwest Africa 11606
Basic information Name: Northwest Africa 11606
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11606
Observed fall: No
Year found: 2016
Country: Algeria
Mass:help 1.71 g
Classification
  history:
Recommended:  Howardite    [explanation]

This is 1 of 351 approved meteorites classified as Howardite.   [show all]
Search for other: Achondrites, HED achondrites, and Howardites
Comments: Approved 9 Feb 2018
Writeuphelp
Writeup from MB 107:

Northwest Africa 11606 (NWA 11606)

Algeria

Purchased: 2016 May 1

Classification: HED achondrite (Howardite)

History: Purchased by Miao Bing-an in 2016 in Morocco.

Physical characteristics: The medium-gray matrix contains a variety of clasts and fusion crust is not found in this small sample.

Petrography (L. Huang, B. Miao, H. Chen, GUT): Breccia containing a variety of eucrite lithologies with ~20%-40 vol% diogenite lithologies. Basaltic eucrite lithologies mostly have subophitic texture. The texture of cumulate eucrite lithologies is equigranular with subequal amounts of pyroxene and plagioclase grains. Diogenites lithologies are mostly orthopyroxene. The matrices are mostly basaltic detritus. A higher C content chondritic clast (carbonaceous chondrite) was found in this section. Accessories are silica, ilmenite, chromite, troilite.

Geochemistry (L. Huang, B. Miao, H. Chen, GUT): Bulk pyroxene: Fe/Mn=30.1; Orthopyroxene of diogenite lithologies: median compositions are Mg#=65.0, Fs34.2Wo2.4 (n=12). Low-Ca pyroxene of cumulate eucrite lithologies: median compositions are Mg#=46.2, Fs53.1Wo1.3 (n=8). Low-Ca pyroxene of basaltic eucrite lithologies: median compositions are Mg#=36.3, Fs61.9Wo2.9 (n=15). High-Ca pyroxene of basaltic eucrite lithologies: median compositions are Mg#=51.8, Fs27.6Wo42.7 (n=8). Plagioclase: median An90.5Or0.4 (n=10).

Classification: Polymict brecciated howardite

Specimens: 1.3 g and polished thin section are deposited in GUT

Data from:
  MB107
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2016 May 1
Mass (g):1.71
Pieces:1
Class:Howardite
Classifier:B. Miao, L. Huang, H. Chen, GUT
Type spec mass (g):1.3
Type spec location:GUT
Main mass:GUT
Comments:Submitted by Bingkui Miao
Institutions
   and collections
GUT: College of Earth Sciences, Guilin University of Technology, 12 Jiangan Road, Guilin 541004, China (institutional address; updated 18 Oct 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 107, in preparation (2018)
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Photos:
CreditPhotos
Public domain photographs:
Zhipeng Xia   
Geography:

Algeria
Coordinates:Unknown.

Statistics:
     This is 1 of 770 approved meteorites from Algeria (plus 26 unapproved names) (plus 4 impact craters)

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