Sample Petrographic Description
Sample Number | QUE 99886 |
Newsletter | 25,2 |
Location | Queen Alexandra Range |
Field Number | 12924 |
Dimensions (cm) | 2.5 x 2.5 x 1.0 |
Weight (g) | 15.31 |
Original Classification | CM2 Chondrite |
Mineral Composition (%Fa & %Fs) | |
Fayalite (mol%): 0-43;Ferrosilite (mol%): 1 | |
Weathering | |
B | |
Fracturing | |
A/B | |
Macroscopic Description - Cecilia Satterwhite | |
The exterior is covered with 75% black fusion crust. It appears pitted and frothy on some edges, other areas have a ropy texture. The interior is black with abundant white and gray inclusions. | |
Thin Section Description (,2) - Gretchen Benedix, Linda Welzenbach, Tim McCoy | |
The section consists of a few small chondrules (up to 0.5 mm), mineral grains and CAIs set in a black matrix; rare metal and sulfide grains are present. Olivine compositions are Fa0-43, orthopyroxene is Fs1. The matrix consists dominantly of an Fe-rich serpentine. The meteorite is a CM2. |
Antarctic Meteorite Images for Sample QUE 99886 | ||||
Lab Photo(s) : | ||||
Antarctic Meteorite Images for Sample QUE 99886 | ||||
Thin Section Photo(s) : | ||||
References for Sample QUE99886 | |
Rochette, P., Kohout, T., Pesonen, L., Quirico, E., Sagnotti, L., Skripnik, A., Gattacceca, J., Bonal, L., Bourot-Denise, M., Chevrier, V., Clerc, J. P., Consolmagno, G., Folco, L., Gounelle, M., 2008, Magnetic classification of stony meteorites: 2. Non-ordinary chondrites. Meteoritics & Planetary Science, 43, 959-980, http://dx.doi.org/10.1111/j.1945-5100.2008.tb01092.x. |