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Northwest Africa 7685
Basic information Name: Northwest Africa 7685
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7685
Observed fall: No
Year found: 2005
Country: (Northwest Africa)
Mass:help 73.9 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  H6
Recommended:  H6    [explanation]

This is 1 of 6826 approved meteorites (plus 6 unapproved names) classified as H6.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 1 Feb 2013
Writeuphelp
Writeup from MB 102:

Northwest Africa 7685 (NWA 7685)

Northwest Africa

Purchased: 2005

Classification: Ordinary chondrite (H6)

History: One desert-ablated stone weighing 73.9 g was found and purchased in Morocco in 2005. Thomas Webb purchased this stone within a group of unclassified stones from a Moroccan dealer in 2005.

Physical characteristics: The stone is reddish-brown and devoid of fusion crust and shows slight orientation.

Petrography: (Anthony Love, App): Sample displays barely discernible chondrules set in recrystallized matrix crosscut by two sets of shock veins.

Geochemistry: (A. Love, App): Olivine, Fa20.5±0.3 (N=12); pyroxene, Fs18.9±0.7Wo1.6±0.3 (N=13).

Classification: H6 S3 W2

Specimens: 65.79 g and 1 thin section are on deposit at App.

Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Agadir
Date:P 2005
Mass (g):73.9
Pieces:1
Class:H6
Shock stage:S3
Weathering grade:W2
Fayalite (mol%):20.5±0.3 (N=12)
Ferrosilite (mol%):18.9±0.7 (N=13)
Wollastonite (mol%):1.6±0.3 (N=13)
Classifier:A. Love, APP
Type spec mass (g):65.79
Type spec location:App
Main mass:App
Finder:Anonymous
Comments:Submitted by Anthony Love
Institutions
   and collections		 App: Department of Geology, 572 Rivers St., Appalachian State University, Boone, NC 28608, United States (institutional address; updated 7 Mar 2013)
Catalogs:
References: Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names)
Also see:
  This lists the most popular meteorites among people who looked up this meteorite.
Revision
  history:
  This lists important revisions made to data for this record.

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