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MacKay Glacier 14014
Basic information Name: MacKay Glacier 14014
     This is an OFFICIAL meteorite name.
Abbreviation: MCY 14014
Observed fall: No
Year found: 2015
Country: Antarctica [Collected by Programma Nazionale di Ricerche in Antartide (PNRA), Italy]
Mass:help 2.1 g
Classification
  history:
Recommended:  CM2    [explanation]

This is 1 of 529 approved meteorites classified as CM2.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 2), CM chondrites, and CM-CO clan chondrites
Comments: Approved 11 Apr 2019
Writeuphelp
Writeup from MB 108:

MacKay Glacier 14014 (MCY 14014)        77°13.977’S, 158°04.732’E

Antarctica

Find: 2015 Jan 19

Classification: Carbonaceous chondrite (CM2)

Physical characteristics: 2 × 1.5 × 1 cm angular shaped stone with remnants of fusion crust; dark color.

Petrography: The sections consist of a few small chondrules (up to 0.3 mm), mineral grains and CAIs (3 vol%) set in a black matrix; rare metal (0.5-1 vol%) and sulfide grains are present. Phyllosilicates in chondrule mesostasis; modest alteration of mafic silicates in chondrules, abundant phyllosilicates in matrix.

Geochemistry: Olivines Fa1-0, with many around Fa1. Major elements composition of the matrix have low totals (82.2 wt%, n=5) due to the occurrence of hydrated minerals.

Classification: Carbonaceous chondrite (CM2)

Data from:
  MB108
  Table 0
  Line 0:
Date:2015 Jan 19
Latitude:77°13.977'S
Longitude:158°04.732'E
Mass (g):2.1
Pieces:1
Class:CM2
Shock stage:S1
Weathering grade:minor
Fayalite (mol%):1-40
Classifier:F. Focacci and M. Gemelli, DST-PI
Type spec mass (g):2.1
Type spec location:MNA-SI
Main mass:MNA-SI
Finder:Gabriele Giuli
Comments:Submitted by F.Focacci M. Gemelli, (DST-PI)
Institutions
   and collections
DST-PI: Dipartimento di Scienze della Terra, Università di Pisa, Via S. Maria 53, 56126 Pisa, Italy (institutional address; updated 17 Oct 2011)
MNA-SI: Museo Nazionale dell'Antartide, Università di Siena, Via Laterina 8, I-53100 Siena, Italy; Website (institutional address; updated 13 Dec 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 108, in preparation (2019)
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Geography:

Antarctica
Coordinates:
     Recommended::   (77° 13' 59"S, 158° 4' 44"E)

Statistics:
     This is 1 of 39173 approved meteorites from Antarctica (plus 5051 unapproved names)
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