Meteoritical Bulletin: Entry for Northwest Africa 2895

MetSoc Home Publications Contacts

Search the Meteoritical Bulletin Database
Last update: 24 Apr 2024
Search for:	Search type:	Search limits:	Display:	Publication:
Names Text Places Classes Years	Contains Starts with Exact Sounds like	NonAntarctic Falls Non-NWAs Has strewnfield		What's new in the last:
Include past classifications in search		Has photo	Limit to approved meteorite names
Search text:

Northwest Africa 2895

Basic information

Name: Northwest Africa 2895
This is an OFFICIAL meteorite name.
Abbreviation: NWA 2895
Observed fall: No
Year found: 2004
Country: (Northwest Africa)
Mass: 43 g

Classification
history:

Recommended:

Ureilite [explanation]

This is 1 of 660 approved meteorites classified as Ureilite. [show all]
Search for other: Achondrites, Ureilites

Comments:

Approved 21 Sep 2005

Writeup

Writeup from MB online:

Northwest Africa 2895

Northwest Africa

Find: 2004

Achondrite (ureilite)

History: A single stone of 43 g was found 2004 by an anonymous finder in the North African Sahara.

Petrography and Geochemistry: (A. Greshake, MNB) The sample is dominantly composed of large pigeonite (Fs_{9.9– 10.8}Wo_5.2–10.1; Cr₂O₃ = 1.1 wt%) often enclosing small pyroxenes and less abundant olivines.

Geochemistry: Oxygen isotopes: (I. Franchi and R. C. Greenwood, OU) δ¹⁷O = +3.27, δ¹⁸O = +8.243, ∆¹⁷O = −1.016 (all ‰).

Classification: Achondrite (ureilite); low shock, moderate weathering.

Specimens: An 8.9 g type specimen and one thin section are on deposit at MNB. Stefan Ralew of Germany holds the main mass.

Plots:

O isotopes:

Institutions
and collections

MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
OU: Planetary and Space Sciences Department of Physical Sciences The Open University Walton Hall Milton Keynes MK7 6AA United Kingdom, United Kingdom (institutional address; updated 8 Dec 2011)
Ralew: Stefan Ralew, Kunibertstraße 29, 12524 Berlin, Germany; Website (private address)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 90, MAPS 41, 1383-1418 (2006)

Find references in NASA ADS:
Find references in Google Scholar:

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names)

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.

Direct link to this page