|Northwest Africa 11272|
|Basic information||Name: Northwest Africa 11272|
This is an OFFICIAL meteorite name.
Abbreviation: NWA 11272
Observed fall: No
Year found: 1995
Country: (Northwest Africa)
Mass: 475 g
This is 1 of 322 approved meteorites classified as LL4. [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
|Comments:||Approved 11 May 2017|
Writeup from MB 106:
Northwest Africa 11272 (NWA 11272)
Classification: Ordinary chondrite (LL4)
History: Purchased by Ken Regelman in 1995 from a Moroccan dealer.
Petrography: (A. Irving and S. Kuehner, UWS) The specimen contains closely packed, well-formed and equilibrated chondrules with little matrix.
Geochemistry: Olivine (Fa27.4-28.1, N = 3), orthopyroxene (Fs20.8-22.7Wo0.6-1.1, N = 2), pigeonite (Fs11.8Wo6.8; Fs19.7Wo16.0; N = 2), subcalcic augite (Fs14.0Wo29.8).
Classification: Ordinary chondrite (LL4).
Specimens: 24 g including one polished thin section at UWB; remainder with Mr. K. Regelman.
University of Washington, Department of Earth and Space Sciences, 70
Johnson Hall, Seattle, WA 98195, United States (institutional address;
updated 15 Jan 2012)
UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
ARN: Kenneth Regelman, Astronomical Research Network, 206 Bellwood Ave., Maplewood, MN 55117, United States; Website (private address)
|References:||Published in Meteoritical Bulletin, no. 106, in preparation (2017)|