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Estancia Valley
Basic information Name: Estancia Valley
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2014
Country: United States
Mass:help 2 kg
Recommended:  L6    [explanation]

This is 1 of 12189 approved meteorites (plus 7 unapproved names) classified as L6.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 3 Apr 2022
Writeup from MB 111:

Estancia Valley        34.64806°N, 106.16712°W

New Mexico, United States

Find: 28 Sept 2014

Classification: Ordinary chondrite (L6)

History: This ~2 kg meteorite was found in a field after plowing on September 28, 2014. The finder was Bill Gardner who initially thought it was a piece of tin shining in the field.

Physical characteristics: Single stone. Weathered fusion-crusted exterior with a reddish-brown color. Saw cut slice reveals scattered faint chondrules set in a patchy dark brown and light brown groundmass. Bright metal/sulfide grains are present throughout.

Petrography: (C. Agee, UNM) Microprobe and reflected light microscopy examination shows a few recrystallized chondrules, recrystallized groundmass, and ubiquitous metal and sulfide. Plagioclase grain size up to ~100 μm in diameter. Augite, troilite, kamacite, taenite, and spinel were detected.

Geochemistry: (A. Ross, UNM) Olivine Fa23.9±0.2, Fe/Mn=45±2, n=6; low-Ca pyroxene Fs20.8±0.8Wo1.5±0.3, Mn/Fe=29±2, n=3.

Classification: Ordinary chondrite (L6)

Specimens: 64.9 g on deposit at UNM, Bill Gardner holds the main mass.

Data from:
  Table 0
  Line 0:
State/Prov/County:New Mexico
Date:28 Sept 2014
Mass (g):2000
Shock stage:S3
Weathering grade:W2
Fayalite (mol%):23.9±0.2
Ferrosilite (mol%):20.8±0.8
Wollastonite (mol%):1.5±0.3
Classifier:C. Agee, UNM
Type spec mass (g):64.9
Type spec location:UNM
Main mass:Bill Gardner
Finder:Bill Gardner
Comments:Submitted by C. Agee
   and collections
UNM: Institute of Meteoritics MSC03 2050 University of New Mexico Albuquerque NM 87131-1126 USA, United States; Website (institutional address; updated 12 Feb 2015)
References: Published in Meteoritical Bulletin, no. 111, in preparation (2022)
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United States
     Recommended::   (34° 38' 53"N, 106° 10' 2"W)

     This is 1 of 228 approved meteorites from New Mexico, United States (plus 2 unapproved names) (plus 1 impact crater)
     This is 1 of 1888 approved meteorites from United States (plus 890 unapproved names) (plus 28 impact craters)
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