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Northwest Africa 14077
Basic information Name: Northwest Africa 14077
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 14077
Observed fall: No
Year found: 2019
Country: (Northwest Africa)
Mass:help 3.39 kg
Classification
  history:
Meteoritical Bulletin:  MB 110  (2022)  L4
Recommended:  L4    [explanation]

This is 1 of 2062 approved meteorites (plus 5 unapproved names) classified as L4.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 6 Jul 2021
Writeuphelp
Writeup from MB 110:

Northwest Africa 14077 (NWA 14077)

(Northwest Africa)

Purchased: 2019 Dec

Classification: Ordinary chondrite (L4)

History: Purchased by Jason Whitcomb in December 2019 from a Moroccan dealer.

Petrography: (A. Irving, UWS and J. Boesenberg, BrownU) Well-formed equilibrated chondrules containing devitrified glass are set in a matrix containing stained metal, chromite, troilite and chlorapatite.

Geochemistry: Olivine (Fa23.3±0.2, range Fa23.2-23.6, N = 7), low-Ca pyroxene (Fs19.7±0.2Wo1.2±0.2, range Fs19.4-19.9Wo1.0-1.5, N = 4).

Classification: Ordinary chondrite (L4).

Specimens: 35.7 g including one polished thin section at PSF; remainder with Mr. J. Whitcomb.

Data from:
  MB110
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2019 Dec
Mass (g):3390
Pieces:7
Class:L4
Shock stage:S2
Weathering grade:W1
Fayalite (mol%):23.3±0.2
Ferrosilite (mol%):19.7±0.2
Wollastonite (mol%):1.2±0.2
Classifier:A. Irving, UWS, and J. Boesenberg, BrownU
Type spec mass (g):35.7
Type spec location:PSF
Main mass:J. Whitcomb
Comments:Work name JW-7; submitted by A. Irving
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)
BrownU: Joseph Boesenberg Brown University Dept of Earth, Environmental and Planetary Sciences (DEEPS) 324 Brook Street Providence, RI 02912 , United States (institutional address; updated 4 Jan 2024)
Catalogs:
References: Published in Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Jason Whitcomb                              
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)
Also see:
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Revision
  history:
  This lists important revisions made to data for this record.

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