Meteoritical Bulletin: Entry for Paposo 064

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Paposo 064

Basic information

Name: Paposo 064
This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2017
Country: Chile
Mass: 64.8 g

Classification
history:

Recommended:

Ureilite [explanation]

This is 1 of 544 approved meteorites classified as Ureilite. [show all]
Search for other: Achondrites, Ureilites

Comments:

Approved 14 Nov 2020

Writeup

Writeup from MB 109:

Paposo 064 24°56’36.2’’S, 70°02’02.1’’W

Antofagasta, Chile

Find: 2017 Feb 27

Classification: Ureilite

History: Found on granodiorite pediment surface by a three-person team.

Petrography: (J. Gattacceca, CEREGE) Siliceous rock with blocky texture. Main mineral is low-Ca pyroxene with typical grain size 600 µm and reduced rims. Metal is found at the silicate grain rims, and as aligned µm grains within silicate grains. Carbon material is present at the grain rims. Troilite.

Geochemistry: Low-Ca pyroxene Fs_19.2±0.3Wo_4.8±0.1, FeO/MnO = 28.4±0.9 (n=3). Low-Ca pyroxene rim Fs₁₃Wo_4.9(n=1).

Classification: Ureilite

Specimens: Type specimen at CEREGE. Main mass with Andreas Koppelt.

Data from:
  MB109
  Table 0
  Line 0:

State/Prov/County:	Antofagasta
Origin or pseudonym:	Gravel pediment
Date:	2017 Feb 27
Latitude:	24°56'36.2''S
Longitude:	70°02'02.1''W
Mass (g):	64.8
Pieces:	1
Class:	Ureilite
Weathering grade:	moderate
Ferrosilite (mol%):	19.2±0.3 (n=3)
Wollastonite (mol%):	4.8±0.1
Magnetic suscept.:	4.92
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	13.72
Type spec location:	CEREGE
Main mass:	Andreas Koppelt
Finder:	Andreas Koppelt
Comments:	work name AK031; submitted by Jérôme Gattacceca

Institutions
and collections

CEREGE: CEREGE BP 80 Avenue Philibert, Technopole de l'Arbois 13545 Aix-en-Provence Cedex 4 France, France (institutional address; updated 29 Oct 2018)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 109, in preparation (2020)

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Photos:

Credit	Photos
Photos from the Encyclopedia of Meteorites:
Andreas Koppelt

Geography:

Chile

Coordinates:
Recommended::	(24° 56' 36"S, 70° 2' 2"W)

Statistics:
This is 1 of 1904 approved meteorites from Antofagasta, Chile (plus 5 unapproved names) (plus 1 impact crater)
This is 1 of 1932 approved meteorites from Chile (plus 11 unapproved names) (plus 1 impact crater)

Proximity search:

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