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Northwest Africa 12708
Basic information Name: Northwest Africa 12708
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12708
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 36.3 g
Classification
  history:
Meteoritical Bulletin:  MB 108  (2020)  Eucrite
Recommended:  Eucrite    [explanation]

This is 1 of 616 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 18 Aug 2019
Writeuphelp
Writeup from MB 108:

Northwest Africa 12708 (NWA 12708)

(Northwest Africa)

Purchased: 2019

Classification: HED achondrite (Eucrite)

History: The meteorite was purchased from a local meteorite dealer in Zagora, Morocco.

Physical characteristics: Single stone with some fusion crust.

Petrography: The meteorite is an unbrecciated coarse-grained basaltic rock predominantly composed of typically 200 μm sized exsolved pyroxene and up to 1 mm sized blocky calcic plagioclase. Minor phases include silica, chromite, troilite, ilmenite, and zircon. No metallic iron has been found.

Geochemistry: low-Ca pyroxene: Fs60.3±0.6Wo2.4±0.5 (Fs59.4-62.1Wo1.9-3.6, n=13, FeO/MnO=31-33); Ca-pyroxene: Fs27.1±0.4Wo42.5±0.4 (Fs26.5-27.7Wo41.9-43.2, n=14, FeO/MnO=30-34); calcic plagioclase: An89.2±2.6 (An80.6-91.8, n=16)

Data from:
  MB108
  Table 0
  Line 0:
Place of purchase:Zagora, Morocco
Date:P 2019
Mass (g):36.3
Pieces:1
Class:Eucrite
Shock stage:moderate
Weathering grade:low
Ferrosilite (mol%):60.3; 27.1
Wollastonite (mol%):2.4: 42.5
Classifier:A. Greshake, MNB
Type spec mass (g):9
Type spec location:MNB
Main mass:Fabien Kuntz
Comments:Submitted by Ansgar Greshake
Institutions
   and collections		 MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Kuntz: Fabien Kuntz, France; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9914 approved meteorites from (Northwest Africa) (plus 1841 unapproved names)

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