This is an OFFICIAL meteorite name.
Abbreviation: NWA 11272
Observed fall: No
Year found: 1995
Country: (Northwest Africa)
Mass:
475 ghistory:
| Recommended: | LL4 [explanation] |
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)
Writeup from MB 106:
Northwest Africa 11272 (NWA 11272)
(Northwest Africa)
Purchased: 1995
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.
MB106
Table 0
Line 0:
| Place of purchase: | Morocco |
| Date: | P 1995 |
| Mass (g): | 475 |
| Pieces: | 1 |
| Class: | LL4 |
| Shock stage: | S2 |
| Weathering grade: | W1/2 |
| Fayalite (mol%): | 27.4-28.1 |
| Ferrosilite (mol%): | 20.8-22.7 |
| Wollastonite (mol%): | 0.6-1.1 |
| Classifier: | A. Irving and S. Kuehner, UWS |
| Type spec mass (g): | 24 |
| Type spec location: | UWB |
| Main mass: | K. Regelman |
| Comments: | Work name ARN17-2; submitted by A. Irving |
and collections
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)