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Roberts Massif 04143
Basic information Name: Roberts Massif 04143
     This is an OFFICIAL meteorite name.
Abbreviation: RBT 04143
Observed fall: No
Year found: 2004
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 89.6 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 30(2)  (2007)  CV3
Recommended:  CV3    [explanation]

This is 1 of 537 approved meteorites (plus 1 unapproved name) classified as CV3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 31 Aug 2007
Writeuphelp
Writeup from AMN 30(2):
Sample No.: RBT 04143
Location: Robert Massif
Field No.: 16244
Dimensions (cm):   4.0 x 3.5 x 3.0
Weight (g): 89.562
Meteorite Type:

CV3 Chondrite



Macroscopic Description: Kathleen McBride
50% striated rusty brown to black rough fusion crust covers the exterior. The interior is a black matrix with high metal content and is hard. It has chondrules and clasts of various colors.

Thin Section (,2) Description: Tim McCoy, Lauren LaCroix and Linda Welzenbach
The section exhibits large chondrules (up to 2 mm) and CAIs in a dark matrix. Olivines range from Fa1-69, with most Fa1-2, pyroxene is Fs1-3. The meteorite is an unequilibrated carbonaceous chondrite, probably a CV3.



Thin Section Images

Plane-Polarized
Light RBT 04143
Cross Polarized Light
RBT 04143
RBT04143 - Plane-Polarized Light RBT04143 - Cross Polarized Light



Lab Images

RBT 04143

Catalogs:
Search for this meteorite in the NASA/JSC database (U.S.):   
References: Published in Antarctic Meteorite Newsletter 30(2) (2007), JSC, Houston
Published in Meteoritical Bulletin, no. 94, MAPS 43, 1551-1588 (2008)
Find references in NASA ADS:
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Photos:
CreditPhotos
Photographs from AMN:
JSC A photo is in the write-up above
Geography:

Antarctica
Coordinates:Unknown.

Statistics:
     This is 1 of 40129 approved meteorites from Antarctica (plus 4494 unapproved names)

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