|Basic information||Name: Alkali Flat|
This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2011
Country: United States
Mass: 28 g
This is 1 of 4818 approved meteorites (plus 1 unapproved name) classified as L5. [show all]
Search for other: L chondrites (type 4-7), Ordinary chondrites (type 4-7), L chondrites, and Ordinary chondrites
|Comments:||Approved 17 Jul 2012|
Writeup from MB 101:
Alkali Flat 32°18.360’N, 108°54.228’W
New Mexico, USA
Found: 2011 Mar 7
Classification: Ordinary chondrite (L5)
History: A single stone was found by Ben Fisler on the south alkali salt flat of the Animas Valley.
Physical characteristics: Reddish brown, rough weathered exterior, saw cut reveals fine-grained sulfide and metal set in dark-brown matrix.
Petrography: (C. Agee, UNM) Microprobe examination of a polished thin section shows olivine, pyroxene, a few equilibrated chondrules, troilite, and kamacite.
Geochemistry: (C. Agee and N. Wilson, UNM) Olivine Fa24.7±0.4, Fe/Mn=50±3, n=10; low-Ca pyroxene Fs21.0±0.5Wo1.6±0.2, Fe/Mn=30±2, n=10.
Classification: Ordinary chondrite (L5), weathering grade W2.
Specimens: 5.6 g including a polished thin section on deposit at UNM. Ben Fisler holds the main mass.
UNM: Institute of Meteoritics, Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87131, USA (institutional address)
|References:||Published in Meteoritical Bulletin, no. 101, MAPS 47, in preparation (2013)|
This is 1 of 223 approved meteorites from New Mexico, United States (plus 2 unapproved names) (plus 1 impact crater)
This is 1 of 1677 approved meteorites from United States (plus 224 unapproved names) (plus 28 impact craters)
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