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Northwest Africa 7782
Basic information Name: Northwest Africa 7782
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7782
Observed fall: No
Year found: 2012
Country: Morocco
Mass:help 127.8 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  LL4
Recommended:  LL4    [explanation]

This is 1 of 357 approved meteorites classified as LL4.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 3 Apr 2013
Writeuphelp
Writeup from MB 102:

Northwest Africa 7782 (NWA 7782)

Morocco

Purchased: 2012

Classification: Ordinary chondrite (LL4)

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

Physical characteristics: Single stone, weathered exterior, light gray-yellow matrix.

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

Geochemistry: (C. Agee and L. Burkemper, UNM) Olivine Fa26.9±0.6, Fe/Mn=55±3, n=37; low-Ca pyroxene Fs20.2±3.2Wo0.8±0.6, Fe/Mn=39±18, n=28.

Classification: Ordinary chondrite (LL4), weathering grade W2.

Specimens: 22.4 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):127.80
Pieces:1
Class:LL4
Weathering grade:W2
Fayalite (mol%):26.9±0.6
Ferrosilite (mol%):20.2±3.2
Wollastonite (mol%):0.8±0.6
Classifier:C. Agee, UNM
Type spec mass (g):22.4
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:
Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1374 approved meteorites from Morocco (plus 16 unapproved names) (plus 1 impact crater)

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