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Northwest Africa 5195
Basic information Name: Northwest Africa 5195
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 5195
Observed fall: No
Year found: 2005
Country: Morocco
Mass:help 690 g
Meteoritical Bulletin:  MB 106  (2018)  L6
Recommended:  L6    [explanation]

This is 1 of 11277 approved meteorites (plus 6 unapproved names) classified as L6.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 6 Dec 2017
Writeup from MB 106:

Northwest Africa 5195 (NWA 5195)


Purchased: 2005

Classification: Ordinary chondrite (L6)

History: A single stone weighing 690 g was found in Morocco and subsequently purchased in Agadir, Morocco. Thomas Webb acquired the sample from a meteorite prospector in 2005.

Physical characteristics: The stone is mottled orangish-brown and has a rounded, triangular shape. The stone is 25% covered by a weathered fusion crust. The cut face of the interior of the stone shows a few chondrules and shiny FeNi and FeS grains.

Petrography: Description and classification (Anthony Love, App): Sample displays recrystallized chondritic texture. Droplet chondrules, which survived recrystallization, have an average diameter of 1366 µm (n=6). Porphyritic chondrules are indistinct and have crystalline mesostasis.

Geochemistry: (A. Love, App) Olivine Fa24.7±0.2, N=8; low Ca pyroxene Fs2.7±0.2Wo1.2±0.1, N=8; high Ca pyroxene Fs 8.2 Wo44.9, N=1.

Classification: Based on mineral compositions, chondrule size and texture, this is an L6, S3, W2 ordinary chondrite.

Specimens: An endcut and one slice weighing 21.53 g, and a polished thin section are currently on deposit at App. Thomas Webb holds the main mass.

Data from:
  Table 0
  Line 0:
Place of purchase:Agadir
Date:P 2005
Mass (g):690
Shock stage:S3
Weathering grade:W2
Fayalite (mol%):24.7±0.2 (N=8)
Ferrosilite (mol%):20.7±0.2 (N=8)
Wollastonite (mol%):1.2±0.1
Classifier:A. Love, App
Type spec mass (g):21.5
Type spec location:App
Main mass:TWebb
Comments:Submitted by Anthony Love
   and collections
App: Department of Geology, 572 Rivers St., Appalachian State University, Boone, NC 28608, United States (institutional address; updated 7 Mar 2013)
TWebb: No contact information provided., United States (private address)
References: Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
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     This is 1 of 1459 approved meteorites from Morocco (plus 21 unapproved names) (plus 1 impact crater)

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