MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 26 Feb 2024
Search for: Search type: Search limits: Display: Publication:
Text help
Starts with
Sounds like
Falls  Non-NWAs
What's new
  in the last:
Limit to approved meteorite names
Search text:  
Graves Nunataks 95209
Basic information Name: Graves Nunataks 95209
     This is an OFFICIAL meteorite name.
Abbreviation: GRA 95209
Observed fall: No
Year found: 1995
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 949 g
Antarctic Meteorite Newsletter:  AMN 20(1)  (1997)  Lodranite
Meteoritical Bulletin:  MB 82  (1998)  Lodranite
NHM Catalogue:  5th Edition  (2000)  Lodranite
MetBase:  v. 7.1  (2006)  Lodranite
Recommended:  Lodranite    [explanation]

This is 1 of 93 approved meteorites classified as Lodranite.   [show all]
Search for other: Acapulcoite-lodranite family, Lodranites, and Primitive achondrites
Writeup from AMN 20(1):
Sample No.:GRA95209
Location:Graves Nunataks
Dimensions (cm):10.5 x 8.0 x 5.0
Weight (g):948.8
Meteorite Type:Lodranite
GRA95209     Other images of GRA95209

Macroscopic Description: Kathleen McBride
The exterior of this meteorite has a thin, dark brown, melted-appearing fusion crust. One fracture runs across one surface and evaporite deposits are visible on the edge of another surface. Chondrules on the surface appear lighter than the matrix. The interior of the meteorite is very rusty. This meteorite was very coherent and had to be pried apart along complete fractures during chipping. Metal grains are numerous including areas of concentrated metals and metal sulfides, the largest of this being 1 cm in diameter. Clasts are present as well including some as large as 1 cm.

Thin Section (,7) Description: Brian Mason
The section shows an equigranular aggregate (grains averaging 0.3 mm) of subequal amounts of nickel-iron, olivine, and pyroxene, with a little plagioclase. A minor amount of brown limonitic staining pervades the section. Microprobe analyses give the following mineral compositions; olivine, Fa7; orthopyroxene, Wo3Fs7; clinopyroxene, Wo41Fs5 ; plagioclase, An19. The meteorite is classified as a lodranite.

Revised Hand Sample Description

Data from:
  Table A1
  Line 110:
Origin or pseudonym:Lower West Graves
Mass (g):948.8
Weathering grade:B
Fayalite (mol%):7
Ferrosilite (mol%):7
Search for specimens in the Smithsonian Institution collection (U.S.):   
    Require SI photo
Search for this meteorite in the NASA/JSC database (U.S.):   
References: Published in Antarctic Meteorite Newsletter 20(1) (1997), JSC, Houston
Published in Meteoritical Bulletin, no. 82, MAPS 33, A221-A240 (1998)
Find references in NASA ADS:
Find references in Google Scholar:
Photographs from AMN:
Photograph from unknown source A photo is in the write-up above
Photos from the Encyclopedia of Meteorites:
Dr Carlton Allen, JSC-KT, NASA            

     Catalogue of Meteorites:   (86° 43'S, 141° 30'W)
     Recommended::   (86° 43'S, 141° 30'W)

     This is 1 of 44274 approved meteorites from Antarctica (plus 3802 unapproved names)
Proximity search:
Find nearby meteorites: enter search radius (km):

Direct link to this page