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Northwest Africa 16056
Basic information Name: Northwest Africa 16056
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 16056
Observed fall: No
Year found: 2023
Country: (Northwest Africa)
Mass:help 12 kg
Classification
  history:
Meteoritical Bulletin:  MB 112  (2024)  Eucrite
Recommended:  Eucrite    [explanation]

This is 1 of 606 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 15 Jul 2023
Writeuphelp
Writeup from MB 112:

Northwest Africa 16056 (NWA 16056)

(Northwest Africa)

Purchased: 2023

Classification: HED achondrite (Eucrite)

History: The meteorite was purchased from a meteorite dealer in Algeria.

Physical characteristics: Light grayish rock partly covered with fusion crust.

Petrography: Unbrecciated eucrite showing a thoroughly recrystallized equigranular texture of predominantly low-Ca pyroxene, Ca-pyroxene, and calcic plagioclase grains often meeting at 120 degree grain boundaries. Low-Ca pyroxenes contain fine augite exsolution lamellae and vice versa. Minor phases include silica, chromite, ilmenite, FeS, and Ni-free metal.

Geochemistry: low-Ca pyroxene: Fs57.8±0.1Wo5.0±0.1 (Fs57.7-57.9Wo4.8-5.1, FeO/MnO=28-30, n=5); Ca-pyroxene: Fs29.5±0.2Wo40.5±0.2 (Fs29.2-29.7Wo40.4-40.7, FeO/MnO=27-30, n=5); calcic plagioclase: An88.6±0.3 (An88.1-89.0, n=5)

Data from:
  MB112
  Table 0
  Line 0:
Place of purchase:Algeria
Date:P 2023
Mass (g):12000
Pieces:1
Class:Eucrite
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):57.8; 29.5
Wollastonite (mol%):5.0; 40.5
Classifier:A. Greshake, MNB
Type spec mass (g):20.5
Type spec location:MNB
Main mass:Ali Muftha
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Catalogs:
References: Published in Gattacceca J., McCubbin F. M., Grossman J. N., Schrader D. L., Cartier C., Consolmagno G., Goodrich C., Greshake A., Gross J., Joy K. H., Miao B. and Zhang B. (2024) The Meteoritical Bulletin, no. 112. Meteoritics & Planetary Science 59, 1820–1823. ?
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Woreczko Jan & Wadi      
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9790 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)

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