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Northwest Africa 10017
Basic information Name: Northwest Africa 10017
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10017
Observed fall: No
Year found: 2012
Country: (Northwest Africa)
Mass:help 45.4 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  H5
Recommended:  H5    [explanation]

This is 1 of 11505 approved meteorites (plus 23 unapproved names) classified as H5.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 16 Feb 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 10017 (NWA 10017)

(Northwest Africa)

Purchased: 2012

Classification: Ordinary chondrite (H5)

History: One stone weighing 45.4 g was found in Morocco in 2012. David Holden acquired the sample from a meteorite prospector in Erfoud, 2012.

Physical characteristics: The stone is dark brown and has an angular shape displaying many small, shallow regmaglypts. The stone is completely covered in a weathered fusion crust. The cut face of the interior of the stone is dark brown, porous and displays small, closely packed chondrules and fresh and weathered flakes of metal.

Petrography: (A. Love, App): Sample displays recrystallized chondritic texture. Many chondrules are defined yet have turbid to recrystallized mesostasis and have an average diameter of 569 μm. Taken in concert with irregular fractures, sharp optical extinction and monocrystalline troilite, PCAs and metallic Cu suggest sample has been annealed subsequent an impact event with a maximum prior shock level of S3.

Geochemistry: (A. Love, App) Olivine Fa19.7±0.2, N=14; low Ca pyroxene Fs17.5±0.3Wo2.7±1.1, N=12

Classification: Ordinary chondrite (H5, S3, W3)

Specimens: Two slices weighing 9.1 g, and a polished thin section are currently on deposit at App.

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2012
Mass (g):45.4
Pieces:1
Class:H5
Shock stage:S3
Weathering grade:W3
Fayalite (mol%):19.7±0.2, N=14
Ferrosilite (mol%):17.5±0.3, N=12
Wollastonite (mol%):2.7±1.1
Classifier:A. Love, App
Type spec mass (g):9.1
Type spec location:App
Main mass:David Holden
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)
Catalogs:
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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