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Northwest Africa 615
Basic information Name: Northwest Africa 615
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 615
Observed fall: No
Year found: 2000
Country: (Northwest Africa)
Mass:help 476 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  L6
Recommended:  L6    [explanation]

This is 1 of 11997 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 7 Nov 2013
Writeuphelp
Writeup from MB 102:

Northwest Africa 615 (NWA 615)

(Northwest Africa)

Purchased: Nov 2000

Classification: Ordinary chondrite (L6)

History: One subrounded stone containing desert patina and weighing 476 g was found and sold to Michael Cottingham in Morocco. Thomas Webb acquired the sample in November 2000.

Physical characteristics: The stone is brown and has a flattened oblate shape. Fusion crust absent. The cut face of the interior of the stone is mottled tan and dark orange and shows unweathered flakes of metal. Black shock veins present.

Petrography: (A. Love, App): Sample displays recrystallized chondritic texture crosscut by shock veins containing ringwoodite. Chondrules absent.

Geochemistry: Fa23.3±0.5 (N=14), Low Ca pyroxene Fs22.1±0.7Wo2.2±0.9 (N=12).

Classification: Ordinary Chondrite (L6 S6 W2)

Specimens: 22.40 g and 1 polished thin section are on deposit at App

Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Morocco
Mass (g):476
Pieces:1
Class:L6
Shock stage:S6
Weathering grade:W1
Fayalite (mol%):23.3±0.5 (N=14)
Ferrosilite (mol%):22.1±0.7 (N=12)
Wollastonite (mol%):2.2±0.9
Classifier:A. Love, App
Type spec mass (g):22.40
Type spec location:App
Main mass:TWebb
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)
TWebb: No contact information provided., United States (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 8138 approved meteorites from (Northwest Africa) (plus 1941 unapproved names)

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