| MetSoc Home Publications Contacts |
|
||
|
||
| Northwest Africa 2815 | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Basic information | Name: Northwest Africa 2815 This is an OFFICIAL meteorite name. Abbreviation: NWA 2815 Observed fall: No Year found: 2003 Country: Morocco? Mass:  147 g | ||||||||||||
| Classification history: |
This is 1 of 6 approved meteorites classified as Mesosiderite-A2. [show all] Search for other: Class A mesosiderites, Mesosiderites, and Metal-rich meteorites | ||||||||||||
| Writeup |
Writeup from MB 89:
Northwest Africa 2815
Morocco(?) Found 2003 Mesosiderite A single stone of 147 g was found by Moroccan nomads and sold in Morocco. Mineralogy and classification (J. Schlüter, Hamburg): Orthopyroxene clasts up to several mm in size in a fine grained matrix of feldspar and pyroxene. Subequal amounts of metal and silicates. Anorthite (n=5, An91.81-96.30Ab3.58-8.19Or 0-0.26); orthopyroxene (n=7, Fs18.21-35.10Wo0.99-3.94, FeO/MnO= 29.16-37.05); low-Ca clinopyroxene (n=3, Fs35.92-44.76Wo1.81-5.06); one olivine grain with mg#: 84.82; one high-Ca clinopyroxene Fs22.7En39.2Wo38.1. Orthopyroxene- plagioclase ratio and chemistry indicate class A; texture type 2. Weathering grade: W2, shock stage: S2. Specimens: type specimen 23.2 g, Mineralogical Museum Hamburg, the main mass is with Horst Burkard, Bonn. | ||||||||||||
| Institutions and collections |
Burkard: Horst Burkard, Bonn, Germany (private address) Horst: Burkard Horst, Germany (private address) |
||||||||||||
| Catalogs: |
| ||||||||||||
| References: | Published in Meteoritical Bulletin, no. 89, MAPS 40, A201-A263 (2005)
| ||||||||||||
| Geography: |
Statistics: This is 1 of 5 approved meteorites from Morocco? | ||||||||||||