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Estancia Valley | |||||||||||||||||||||||||||||||||||||
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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: 2 kg | ||||||||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 12780 approved meteorites (plus 11 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 |
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: MB111 Table 0 Line 0: |
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Institutions 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) |
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Catalogs: |
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References: | Published in Gattacceca J., McCubbin F. M., Grossman J. N., Schrader D. L., Chabot N. L., D’Orazio M., Goodrich C., Greshake A., Gross J., Joy K. H., Komatsu M. and Miao B. (2023) The Meteoritical Bulletin, No. 111. Meteoritics & Planetary Science 58, 901–904. ?
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Geography: |
Statistics: This is 1 of 228 approved meteorites from New Mexico, United States (plus 2 unapproved names) (plus 1 impact crater) This is 1 of 1927 approved meteorites from United States (plus 866 unapproved names) (plus 28 impact craters) | ||||||||||||||||||||||||||||||||||||
Proximity search: | |||||||||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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