Sample Petrographic Description
Sample Number | QUE 99658 |
Newsletter | 25,1 |
Location | Queen Alexandra Range |
Field Number | 11459 |
Dimensions (cm) | 2.0 x 2.5 x 1.5 |
Weight (g) | 8.77 |
Original Classification | Eucrite (Unbrecciated) |
Mineral Composition (%Fa & %Fs) | |
Ferrosilite (mol%): 59 | |
Weathering | |
A | |
Fracturing | |
B | |
Macroscopic Description - Kathleen McBride | |
The exterior is completely covered with shiny black fusion crust. The interior consists of linear white and gray crystalline material. | |
Thin Section Description (,2) - Tim McCoy, Linda Welzenbach, Gretchen Benedix | |
This meteorite is an unbrecciated, coarse eucrite that has been extensively shocked and is cross cut by shock melt veins. Orthopyroxene is homogeneous at Fs59Wo2. Plagioclase is An89Or0.5. The Fe/Mn ratio of the pyroxene is ~29. The meteorite is an unbrecciated eucrite. |
Antarctic Meteorite Images for Sample QUE 99658 | ||||
Lab Photo(s) : | ||||
Antarctic Meteorite Images for Sample QUE 99658 | ||||
Thin Section Photo(s) : | ||||
References for Sample QUE99658 | |
Mittlefehldt, D. W., 2015, Asteroid (4) Vesta: I. The howardite-eucrite-diogenite (HED) clan of meteorites. Chemie der Erde - Geochemistry, 75 Issue 2, Jun-15, 155-183, ISSN 0009-2819, http://dx.doi.org/10.1016/j.chemer.2014.08.002. | |
Mayne, R. G., Mcsween Jr., H. Y, Mccoy, T. J., Gale, A., 2009, Petrology of the unbrecciated eucrites. Geochimica et Cosmochimica Acta, 73 Issue 3, 1-Feb-09, 794-819, ISSN 0016-7037, http://dx.doi.org/10.1016/j.gca.2008.10.035. |