Meteoritical Bulletin: Entry for Northwest Africa 7062

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Northwest Africa 7062

Basic information

Name: Northwest Africa 7062
This is an OFFICIAL meteorite name.
Abbreviation: NWA 7062
Observed fall: No
Year found: 2011
Country: Morocco
Mass: 62.9 g

Classification
history:

Meteoritical Bulletin:	MB 100	(2012)	Eucrite-mmict
Recommended:			Eucrite-mmict [explanation]

This is 1 of 280 approved meteorites classified as Eucrite-mmict. [show all]
Search for other: Achondrites, Eucrites, and HED achondrites

Comments:

Approved 1 Feb 2012

Writeup

Writeup from MB 100:

Northwest Africa 7062 (NWA 7062)

Morocco

Purchased: Apr 2011

Classification: HED achondrite (Eucrite, monomict)

History: Specimen comes from the Hamada region.

Petrography: Breccia consisting of mm-scale clasts of pyroxene and plagioclase in a groundmass of the same. Pyroxene is either pigeonite, Fs_56-59Wo_4.5-10(Fe/Mn=31) or augite Fs_27-30Wo_39-43(Fe/Mn=32), often with exsolution lamellae. Plagioclase (An₉₀Or₀) typically contains microinclusions of pigeonite and SiO₂. Accessory minerals include SiO₂, chromite, ilmenite and troilite.

Specimens: Main mass, including polished thin section, reside at UAb.

Data from:
  MB100
  Table 1
  Line 1596:

Place of purchase:	Oarzazate
Date:	P Apr 2011
Mass (g):	62.9
Pieces:	1
Class:	Eucrite-mmict
Shock stage:	low
Weathering grade:	low
Classifier:	C. Herd, UAb
Type spec mass (g):	62.9
Type spec location:	UAb
Main mass:	B. Chatterton
Comments:	Submitted by C. Herd

Institutions
and collections

UAb: 1-26 Earth Sciences Building, University of Alberta, Edmonton, AB, T6G 2E3, Canada, Canada; Website (institutional address; updated 17 Oct 2011)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)

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Geography:

Morocco

Coordinates:

Unknown.

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

Also see:

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Revision
history:

This lists important revisions made to data for this record.

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