![]() |
||
|
Northwest Africa 3159 | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Basic information | Name: Northwest Africa 3159 This is an OFFICIAL meteorite name. Abbreviation: NWA 3159 Observed fall: No Year found: 2005 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||
Classification history: |
This is 1 of 576 approved meteorites (plus 1 unapproved name) classified as Eucrite. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||
Comments: | Approved 1 Sep 2006 | ||||||||||||||||||
Writeup![]() |
Writeup from MB 91:
Northwest Africa 3159 Morocco or Algeria Find: August 2005 Achondrite (eucrite) History: Purchased in August 2005 by Greg Hupé from a Moroccan dealer in Rissani. Physical characteristics: Seven stones with a total weight of 397 g. Petrography: (A. Irving and S. Kuehner, UWS) Monomict breccia composed of rock and mineral clasts. Plagioclase, exsolved pigeonite, silica polymorph, troilite, chromite, and ilmenite (one grain with a very tiny zircon inclusion). Mineral compositions and geochemistry: Plagioclase (An87.5–89.0Or0.4); pyroxene grains consist of host orthopyroxene (Fs61.1–62.0Wo2.0–2.1; FeO/MnO = 30.9–34.1) with exsolution lamellae of clinopyroxene (Fs25.8–26.8 Wo43.0–43.9; FeO/MnO = 28.4–34.4). Classification: Achondrite (eucrite breccia). Type specimens: A total of 20.14 g of sample and one polished thin section are on deposit at UWS. G. Hupé holds the main mass. | ||||||||||||||||||
Data from: MB91 Table 2 Line 152: |
|
||||||||||||||||||
Institutions and collections |
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012) |
||||||||||||||||||
Catalogs: |
| ||||||||||||||||||
References: | Published in Meteoritical Bulletin, no. 91, MAPS 42, 413-466 (2007)
| ||||||||||||||||||
Photos: |
| ||||||||||||||||||
Geography: |
Statistics: This is 1 of 9111 approved meteorites from (Northwest Africa) (plus 1873 unapproved names) |