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Northwest Africa 7777
Basic information Name: Northwest Africa 7777
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7777
Observed fall: No
Year found: 2012
Country: Morocco
Mass:help 1352 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  H3.8
Recommended:  H3.8    [explanation]

This is 1 of 78 approved meteorites classified as H3.8.   [show all]
Search for other: H chondrites, H chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 27 Apr 2013
Writeuphelp
Writeup from MB 102:

Northwest Africa 7777 (NWA 7777)

Morocco

Purchased: 2012

Classification: Ordinary chondrite (H3.8)

History: Purchased by Sean Tutorow from a Moroccan meteorite dealer, 2012.

Physical characteristics: Single stone, smooth weathered fusion crust, sawn reveals chondrules and metal grains set in a dark matrix.

Petrography: (C. Agee, UNM): Microprobe examination of a polished mount shows numeous unequilibrated PO, PP, POP chondrules.

Geochemistry: (C. Agee and L. Burkemper, UNM) Olivine Fa20.0±2.6, Fe/Mn=46±7, n=11; low-Ca pyroxene Fs12.6±6.4Wo1.2±1.3, Fe/Mn=33±20, n=10, plagioclase Or0.63Ab30.3An69.1.

Classification: Ordinary chondrite (H3.8), weathering grade W2.

Specimens: 21.4 g including a probe mount on deposit at UNM, Sean Tutorow holds the main mass.

Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2012
Mass (g):1352.3
Pieces:1
Class:H3.8
Weathering grade:W2
Fayalite (mol%):20.0±2.6
Ferrosilite (mol%):12.6±6.4
Wollastonite (mol%):1.2±1.3
Classifier:C. Agee, UNM
Type spec mass (g):21.4
Type spec location:UNM
Main mass:Sean Tutorow
Comments:Submitted by C. Agee
Institutions
   and collections
UNM: Institute of Meteoritics MSC03 2050 University of New Mexico Albuquerque NM 87131-1126 USA, United States; Website (institutional address; updated 12 Feb 2015)
Catalogs:
References: Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
Find references in NASA ADS:
Find references in Google Scholar:
Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Mike Markowitz   
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1460 approved meteorites from Morocco (plus 21 unapproved names) (plus 1 impact crater)

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