Meteoritical Bulletin: Entry for Northwest Africa 8652

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Northwest Africa 8652

Basic information

Name: Northwest Africa 8652
This is an OFFICIAL meteorite name.
Abbreviation: NWA 8652
Observed fall: No
Year found: 2014
Country: Morocco
Mass: 880 g

Classification
history:

Meteoritical Bulletin:	MB 103	(2014)	Acapulcoite
Recommended:			Acapulcoite [explanation]

This is 1 of 93 approved meteorites classified as Acapulcoite. [show all]
Search for other: Acapulcoite-lodranite family, Acapulcoites, and Primitive achondrites

Comments:

Approved 11 Dec 2014

Writeup

Writeup from MB 103:

Northwest Africa 8652 (NWA 8652)

Morocco

Found: April 2013

Classification: Primitive achondrite (Acapulcoite)

Physical characteristics: A single stone with well-preserved fusion crust.

Petrography: The specimen is recrystallized into homogeneous polygonal and subhedral grains with a grain size of 30-400 μm. Major phases include olivine, pyroxene and plagioclase.

Geochemistry: Plagioclase, An_15.1±0.4Ab_80.8±0.6(An_14.4-15.8Ab_80.2-82.0, n=8); olivine, 10.8±0.2 (Fa_10.3-11.2, FeO/MnO = 16.7-21, n=10); orthopyroxene Fs_10.2±0.3Wo_1.5±0.3(Fs_9.7-10.6Wo_1.0-1.9, FeO/MnO = 11.5-12.6, n=9); diopside Fs_4.4±0.3Wo_44.8±0.6(Fs_3.8-4.7Wo_44.2-46.2, FeO/MnO = 7.5-9.7, n=12).

Data from:
  MB103
  Table 0
  Line 0:

Place of purchase:	Erfoud Morocco
Date:	April 2013
Mass (g):	880
Pieces:	1
Class:	Acapulcoite
Weathering grade:	moderate
Fayalite (mol%):	10.8±0.2
Ferrosilite (mol%):	10.2±0.3; 4.4±0.3
Wollastonite (mol%):	1.5±0.3; 44.8±0.6
Classifier:	Wu Y., PMO
Type spec mass (g):	20
Type spec location:	PMO
Main mass:	Ke Zuokai
Comments:	Submitted by Hsu W.

Institutions
and collections

PMO: Purple Mountain Observatory, Nanjing, China (institutional address; updated 16 Dec 2011)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full

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Photos:

Credit	Photos
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
Qi Lv

Geography:

Morocco

Coordinates:

Unknown.

Statistics:
This is 1 of 2082 approved meteorites from Morocco (plus 31 unapproved names) (plus 1 impact crater)

Also see:

This lists the most popular meteorites among people who looked up this meteorite.

Revision
history:

This lists important revisions made to data for this record.

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