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Huacachina
Basic information Name: Huacachina
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2014
Country: Peru
Mass:help 15 kg
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  LL3
Recommended:  LL3    [explanation]

This is 1 of 487 approved meteorites classified as LL3.   [show all]
Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 24 Jan 2015
Writeuphelp
Writeup from MB 104:

Huacachina        14°4’59"S, 75°48’54"W

Ica, Peru

Found: March 2014

Classification: Ordinary chondrite (LL3)

History: Antonio Vasquez found the meteorite while driving a car from the Huacachina lake to the ocean. The stone was identified as a meteorite by José M. Monzon, who provided samples for further analysis to Andre L. R. Moutinho.

Physical characteristics: Single stone, weathered exterior. Saw cut reveals numerous chondrules, some up to 3 mm, brecciation and some melt veins present.

Petrography: (C. Agee, UNM) Microprobe examination of a polished epoxy mount shows numerous porphyritic chondrules, many with mesostasis or glass. Mean apparent chondrule size 750±420 μm, n=54.

Geochemistry: (C. Agee and N. Muttik, UNM) EMPA. Chondrule olivine Fa21.9±9.9, Fe/Mn=63±30, Cr2O3=0.05±0.04 (wt%), n=17; low-Ca pyroxene Fs14.8±7.8Wo1.7±1.8, Fe/Mn=34±21, n=13.

Classification: Ordinary chondrite (LL3, W2, S4), Olivine Fa mean value and sigma, and Cr2O3 mean value and sigma similar to Chainpur (LL3.4) in Grossman and Brearley (2005).

Specimens: Main mass with finder, 368 g with José M. Monzon, 620 g with Andre L. R. Moutinho and 25.2 g including microprobe mount on deposit UNM.

Bibliography:
  • Grossman J.N. and Brearley A.J. (2005) The onset of metamorphism in ordinary and carbonaceous chondrites. Meteorit. Planet. Sci. 40, 87-122. (link)
Data from:
  MB104
  Table 0
  Line 0:
State/Prov/County:Ica
Origin or pseudonym:desert
Date:March 2014
Latitude:14°4'59"S
Longitude:75°48'54"W
Mass (g):15000
Pieces:1
Class:LL3
Shock stage:S4
Weathering grade:W2
Fayalite (mol%):21.9±9.9
Ferrosilite (mol%):14.8±7.8
Wollastonite (mol%):1.7±1.8
Classifier:C. Agee, UNM
Type spec mass (g):25.2
Type spec location:UNM
Main mass:finder
Finder:Antonio Vasquez
Comments:Submitted by Andre L. R. Moutinho
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)
Catalogs:
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
José Carlos de Medeiros Júnior   
Woreczko Jan & Wadi   
Geography:

Peru
Coordinates:
     Recommended::   (14° 4' 59"S, 75° 48' 54"W)

Statistics:
     This is 1 of 2 approved meteorites from Ica, Peru
     This is 1 of 13 approved meteorites from Peru (plus 1 impact crater)
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