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Northwest Africa 10612
Basic information Name: Northwest Africa 10612
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10612
Observed fall: No
Year found: 2016
Country: Morocco
Mass:help 850 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  Eucrite
Recommended:  Eucrite    [explanation]

This is 1 of 509 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 24 Apr 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 10612 (NWA 10612)

Morocco

Purchased: 2016 Feb

Classification: HED achondrite (Eucrite)

History: Purchased by Ke Zuokai in Feb. 2016 from a Moroccan dealer.

Physical characteristics: An irregular stone without fusion crust.

Petrography: The brecciated meteorite displays an overall basaltic texture of exsolved pyroxene and plagioclase ranging from 0.1-1.5 mm. Accessory minerals include ilmenite, chromite and SiO2 polymorphs. Melt veins and melt pockets are common, consisting of crystallite and angular minerals.

Geochemistry: Plagioclase, An88.1±2.9Or0.4±0.2 (An85.9-96.6Or0.2-0.8, n=15); orthopyroxene, Fs60.6±1Wo2.5±0.7 (Fs59-62.2Wo1.7-3.4, n=10); pigeonite, Fs55.9±1.5Wo7.6±2.3 (Fs54.4-57.3Wo5.2-9.6, n=4); augite, Fs26.2±1.8Wo43.4±0.7 (Fs25.2-27.3Wo42.4-44.3, n=8); all pyroxenes, FeO/MnO = 29±1.

Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Tucson, USA
Date:P 2016 Feb
Mass (g):850
Pieces:1
Class:Eucrite
Classifier:Wu Y., PMO
Type spec mass (g):25
Type spec location:PMO
Main mass:Ke Zuokai
Comments:Submitted by Hsu W.
Institutions
   and collections
PMO: Purple Mountain Observatory, Nanjing, China (institutional address; updated 16 Dec 2011)
Catalogs:
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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Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1662 approved meteorites from Morocco (plus 23 unapproved names) (plus 1 impact crater)

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