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Northwest Africa 12709
Basic information Name: Northwest Africa 12709
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 12709
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 797 g
Classification
  history:
Meteoritical Bulletin:  MB 108  (2020)  H6-melt breccia
Recommended:  H6-melt breccia    [explanation]

This is 1 of 14 approved meteorites classified as H6-melt breccia.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Melted chondrites, Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 18 Aug 2019
Writeuphelp
Writeup from MB 108:

Northwest Africa 12709 (NWA 12709)

(Northwest Africa)

Purchased: 2019

Classification: Ordinary chondrite (H6, melt breccia)

History: The meteorite was purchased from a local meteorite dealer in Nouakchott, Mauritania.

Physical characteristics: Six stones lacking any fusion crust.

Petrography: The meteorite is a metal-rich impact melt rock consisting of abundant and partly recrystallized shock melt regions with characteristic FeNi metal and sufide spherules. It contains few chondritic regions with relictic chondrules and mineral fragments of H6 type (plagioclase grain size about 70 μm); no metal or sulfide veins are observed.

Data from:
  MB108
  Table 0
  Line 0:
Place of purchase:Nouakchott, Mauritania
Date:P 2019
Mass (g):797.2
Pieces:6
Class:H6-melt breccia
Shock stage:S4
Weathering grade:W1
Fayalite (mol%):18.2±0.4 (n=11)
Ferrosilite (mol%):15.8±0.2 (n=11)
Wollastonite (mol%):1.5±0.2 (n=11)
Classifier:A. Greshake, MNB
Type spec mass (g):29.4
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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