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MacKay Glacier 05239
Basic information Name: MacKay Glacier 05239
     This is an OFFICIAL meteorite name.
Abbreviation: MCY 05239
Observed fall: No
Year found: 2005
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 19.3 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 30(1)  (2007)  Mesosiderite
Meteoritical Bulletin:  MB 92  (2007)  Mesosiderite
Recommended:  Mesosiderite    [explanation]

This is 1 of 188 approved meteorites classified as Mesosiderite.   [show all]
Search for other: Mesosiderites, Metal-rich meteorites
Comments: Approved 16 Feb 2007
Writeuphelp
Writeup from AMN 30(1):
Sample No.: MCY 05239
Location: MacKay Glacier
Field No.: 17363
Dimensions (cm):   3.0x2.0x1.5
Weight (g): 19.344
Meteorite Type: Mesosiderite


Macroscopic Description: Kathleen McBride
100% of the exterior is covered with rusty brown/black fusion crust. The interior has a rusty, granular textured matrix with high metal.


Thin Section (,2) Description: Tim McCoy and Valerie Reynolds
The section is a breccia composed of angular isolated grains up to 1.0 mm and clasts of orthopyroxene (Fs27-36Wo4), olivine (Fa34-39, anorthitic feldspar (An90-95 Or0-1), metal, troilite and oxides. Minor iron oxide staining is present. The meteorite is a mesosiderite.



Thin Section Images

Cross-Polarized
Light MCY 05239
Plane-Polarized
Light MCY 05239
MCY 05239 - Cross-Polarized Light MCY 05239 - Plane-Polarized Light



Lab Images

MCY 05239

Data from:
  MB92
  Table 3
  Line 701:
Mass (g):19.3
Class:Mes
Weathering grade:C
Fayalite (mol%):34-39
Ferrosilite (mol%):27-36
Catalogs:
Search for this meteorite in the NASA/JSC database (U.S.):   
References: Published in Antarctic Meteorite Newsletter 30(1) (2007), JSC, Houston
Published in Meteoritical Bulletin, no. 92, MAPS 42, 1647-1694 (2007)
Find references in NASA ADS:
Find references in Google Scholar:
Photos:
CreditPhotos
Photographs from AMN:
JSC A photo is in the write-up above
Geography:

Antarctica
Coordinates:Unknown.

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

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