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Chug Chug 111
Basic information Name: Chug Chug 111
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2019
Country: Chile
Mass:help 340 g
Recommended:  H5    [explanation]

This is 1 of 10803 approved meteorites (plus 19 unapproved names) classified as H5.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 6 Oct 2021
Writeup from MB 110:

Chug Chug 111        22°29.383’S, 69°09.774’W

Antofagasta, Chile

Find: 27 Oct 2019

Classification: Ordinary chondrite (H5)

History: The meteorite was found in autumn 2019 by Atali Agakhanov during a meteorite searching expedition organized by Timur Kryachko.

Physical characteristics: Total mass is about 340 g. The exterior is dark brown whereas the interior of meteorite is rusty brown with visible metal.

Petrography: (Kseniya A. Konovalova, FMMR). Petrographic observation of a polished section shows that meteorite consist of visible chondrules in a middle-grain matrix. Chondrules have average size 300-500 µm. Plagioclase grains up to 40 µm (petrological type 5). Metal and troilite are a little oxidized (weathearing grade W1). Olivine have no undulatory extinction, indicating a shock stage of S1.

Geochemistry: Mineral composition and Geochemistry: EDS analyses (Atali Agakhanov, Ksenia Konovalova, FMMR). The primary chondrite paragenesis includes olivine 20.06±0.88 (N=24), Low-Ca pyroxene Fs18.1±0.4Wo1.43±0.56 (N=17), high-Ca pyroxene Fs13.8±2.6Wo45.54±2.26 (N=8), plagioclase Ab80.4An14.7Or4.1 (N=5). Composition of kamacite (in wt. %, n = 3): Fe - 91.99, Ni - 6.68, Co - 0.75

Classification: (Kseniya A. Konovalova, FMMR). Ordinary chondrite. H5, S1, W1.

Specimens: Atali Agakhanov holds main mass. 20.83 g and thin section - FMMR

Data from:
  Table 0
  Line 0:
Origin or pseudonym:plain
Date:27 Oct 2019
Mass (g):340
Shock stage:S1
Weathering grade:W1
Fayalite (mol%):20.06±0.88 (N=24)
Ferrosilite (mol%):18.1±0.4 (N=17)
Wollastonite (mol%):1.43±0.56 (N=17)
Classifier:Kseniya A. Konovalova, FMMR
Type spec mass (g):20.83
Type spec location:FMMR
Main mass:Atali Agakhanov
Finder:Atali Agakhanov
Comments:Field name is MA028; submitted by Kseniya A. Konovalova, spacelikeyou@yandex.ru
   and collections
FMMR: Fersman Mineralogical Museum, Leninskiy prospekt 18 korpus 2, Moscow, Russia, 119071, Russia; Website (institutional address; updated 24 Feb 2018)
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
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     Recommended::   (22° 29' 23"S, 69° 9' 46"W)

     This is 1 of 2160 approved meteorites from Antofagasta, Chile (plus 6 unapproved names) (plus 1 impact crater)
     This is 1 of 2189 approved meteorites from Chile (plus 13 unapproved names) (plus 1 impact crater)
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