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Calate 047
Basic information Name: Calate 047
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2023
Country: Chile
Mass:help 0.8 g
Classification
  history:
Recommended:  Winonaite    [explanation]

This is 1 of 90 approved meteorites classified as Winonaite.   [show all]
Search for other: Primitive achondrites, Winonaites
Comments: Approved 4 Sep 2024
Writeuphelp
Writeup from MB 113:

Calate 047        -21.546183, -69.666883

Antofagasta, Chile

Find: Nov 2023

Classification: Primitive achondrite (Winonaite)

History: The meteorite (1 piece) was found in November 2023 by Victor Gekimyants during a meteorite searching expedition organized by Timur Kryachko.

Physical characteristics: Total mass is about 0.8 g. The surface is dark brown with whitish caliche, whereas the interior of the meteorite is brown.

Petrography: Petrographic observation of the polished section show Low-Ca pyroxene is the most abundant mineral phase and poikilitically enclose small grains of olivine, high-Ca pyroxene, feldspar and flouredenite plus minor schreibersite. Troilite predominantly occur as veins.

Geochemistry: Olivine Fa1.76±0.14 (N=19), Low-Ca pyroxene Fs1.9±0.3Wo1.48±0.07 (N=24), high-Ca pyroxene Fs0.9±0.2Wo43.49±1.97 (N=18), plagioclase Ab80.7An17.2Or2.1, fluoredenite (Na2O = 4.40 wt.%, F = 5.26 wt.%, N=4)

Classification: (Kseniya A. Konovalova, FMMR). Winonaite fluoroedenite-bearing

Specimens: Main mass and thin section - FMMR

Data from:
  MB113
  Table 0
  Line 0:
State/Prov/County:Antofagasta
Origin or pseudonym:plain
Date:Nov 2023
Latitude:-21.546183
Longitude:-69.666883
Mass (g):0.8
Pieces:1
Class:Winonaite
Shock stage:S1
Weathering grade:moderate
Fayalite (mol%):1.76±0.14 (N=19)
Ferrosilite (mol%):1.9±0.3 (N=24)
Wollastonite (mol%):1.48±0.07 (N=24)
Classifier:Kseniya A. Konovalova, FMMR
Type spec mass (g):0.8
Type spec location:FMMR
Main mass:FMMR
Finder:Victor Gekimyants
Comments:Field name is VG#1, FN1110; submitted by Kseniya A. Konovalova, [email protected]
Institutions
   and collections		 FMMR: Fersman Mineralogical Museum, Leninskiy prospekt 18 korpus 2, Moscow, Russia, 119071, Russia; Website (institutional address; updated 24 Feb 2018)
Catalogs:
References: Published in Meteoritical Bulletin, no. 113, in preparation (2024)
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Geography:

Chile
Coordinates:
     Recommended::   (21° 32' 46"S, 69° 40' 1"W)

Statistics:
     This is 1 of 3632 approved meteorites from Antofagasta, Chile (plus 12 unapproved names) (plus 1 impact crater)
     This is 1 of 3661 approved meteorites from Chile (plus 13 unapproved names) (plus 1 impact crater)
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