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MacKay Glacier 14001
Basic information Name: MacKay Glacier 14001
     This is an OFFICIAL meteorite name.
Abbreviation: MCY 14001
Observed fall: No
Year found: 2015
Country: Antarctica [Collected by Programma Nazionale di Ricerche in Antartide (PNRA), Italy]
Mass:help 1.3 g
Classification
  history:
Recommended:  CM2    [explanation]

This is 1 of 510 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 3 May 2019
Writeuphelp
Writeup from MB 108:

MacKay Glacier 14001 (MCY 14001)        77°14.084’S, 158°07.606’E

Antarctica

Find: 2015 Jan 14

Classification: Carbonaceous chondrite (CM2)

Physical characteristics: 1.5 × 1.5 × 1 cm, angular shape, uncrusted, dark colour, chondrule in relief (15 vol%)

Petrography: Chondrule abundance: 20%. Average apparent chondrule diameter: 250 µm. CAI Abundance: 7%. Phyllosilicate in chondrule mesostasis; modest alteration of mafic silicates in chondrules. Abundant phyllosilicates in matrix. Silica plus Al2O3 = 13 wt%, FeO = 53 wt% and MgO = 13 wt%.

Geochemistry: Olivine: Fa0.3-57, Low-Ca pyroxene Fs0.6-5Wo0.15-5

Classification: Carbonaceous chondrite (CM2). Paired with MCY 14004 and MCY 14014.

Data from:
  MB108
  Table 0
  Line 0:
Origin or pseudonym:McKay Glacier Icefields
Date:2015 Jan 14
Latitude:77°14.084'S
Longitude:158°07.606'E
Mass (g):1.3
Pieces:1
Class:CM2
Shock stage:S1
Weathering grade:W0
Fayalite (mol%):14.8 ± 18.2
Ferrosilite (mol%):1.8 ± 1.3
Wollastonite (mol%):1.9 ± 1.6
Magnetic suscept.:3.80
Classifier:S. Genovesi, J. Nava, UniBo, UniPd
Type spec mass (g):1.3
Type spec location:MNA-SI
Main mass:MNA-SI
Finder:Jacopo Nava
Comments:Pairing group MCY 14014; submitted by L. Folco (DST UniPi)
Institutions
   and collections
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° 14' 5"S, 158° 7' 36"E)

Statistics:
     This is 1 of 38674 approved meteorites from Antarctica (plus 5051 unapproved names)
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