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Northwest Africa 7046
Basic information Name: Northwest Africa 7046
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 7046
Observed fall: No
Year found: 2011
Country: Morocco
Mass:help 1819 g
Classification
  history:
Meteoritical Bulletin:  MB 100  (2012)  H4
Recommended:  H4    [explanation]

This is 1 of 5948 approved meteorites (plus 2 unapproved names) classified as H4.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 1 Feb 2012
Writeuphelp
Writeup from MB 100:

Northwest Africa 7046 (NWA 7046)

Morocco

Found: 2010

Classification: Ordinary chondrite (H4)

History: Purchased by Matt Morgan in at the Denver Gem and Mineral Show, 2011.

Physical characteristics: Dark brown exterior, iron staining, saw cut reveals numerous chondrules, some to 4 mm.

Petrography: (C. Agee, UNM) Microprobe examination of a polished mount shows a dense population of chondrules: BP, PP, PO, POP, some clasts, 100-2000 μm. Albitic mesostasis and glass, accessory pigeonite and augite, significant oxidation of Fe-Ni metal, sulfide and chromite present.

Geochemistry: C. Agee and N. Wilson, UNM) Olivine Fa17.1±0.7, PMD=4%, Fe/Mn=35±2, n=35. Orthopyroxene Fs15.7±5.0, PMD=33%, Wo1.1±1.1, Fe/Mn=27±11, n=34.

Specimens: 24g on deposit at UNM. MtMorgan holds the main mass.

Data from:
  MB100
  Table 1
  Line 1594:
Place of purchase:Denver Gem and Mineral Show
Date:2010
Mass (g):1819
Pieces:1
Class:H4
Weathering grade:W2
Fayalite (mol%):17.1±0.7
Ferrosilite (mol%):15.5 ±5.0
Wollastonite (mol%):1.1±1.1
Classifier:C. Agee, UNM
Type spec mass (g):24
Type spec location:UNM
Main mass:MtMorgan
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)
MtMorgan: Matt Morgan, Mile High Meteorites, P.O. Box 151293, Lakewood, CO 80215-9293, United States; Website (private address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)
Find references in NASA ADS:
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Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1460 approved meteorites from Morocco (plus 21 unapproved names) (plus 1 impact crater)

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