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Northwest Africa 7019
Basic information Name: Northwest Africa 7019
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7019
Observed fall: No
Year found: 2011
Country: (Northwest Africa)
Mass:help 1316 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  L-melt rock
Recommended:  L-melt rock    [explanation]

This is 1 of 41 approved meteorites classified as L-melt rock.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Melted chondrites, Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 6 Sep 2013
Writeuphelp
Writeup from MB 102:

Northwest Africa 7019 (NWA 7019)

(Northwest Africa)

Purchased: 2011 Feb

Classification: Ordinary chondrite (L, melt rock)

History: Purchased by Reed from a Moroccan dealer at the Tucson Gem and Mineral Show in February 2011.

Petrography: (A. Irving and S. Kuehner, UWS) Extremely fine grained quenched melt texture with larger irregular metal grains; no chondrules.

Geochemistry: Olivine (Fa23.5-24.0), orthopyroxene (Fs18.7-19.5Wo2.8-1.6), subcalcic augite (Fs15.5-15.8Wo28.5-25.1).

Classification: Ordinary chondrite (L-melt rock).

Specimens: The main mass is held by Reed. A total of 26.6 g of material and one polished thin section are on deposit at PSF.

Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Tucson
Date:P 2011 Feb
Mass (g):1316
Pieces:3
Class:L-melt rock
Shock stage:S6
Weathering grade:W1
Fayalite (mol%):23.5-24.0, n=6
Ferrosilite (mol%):18.7-19.5
Wollastonite (mol%):2.8-1.6
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):26.6
Type spec location:PSF
Main mass:B. Reed
Comments:TI; submitted by P. Sipiera
Institutions
   and collections		 PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011)
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
Reed: Blaine Reed, P.O. Box 1141, Delta, CO 81416, United States; Website (private address)
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 7859 approved meteorites from (Northwest Africa) (plus 1961 unapproved names)

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