Sample Petrographic Description
Sample Number | QUE 99443 |
Newsletter | 25,1 |
Location | Queen Alexandra Range |
Field Number | 12511 |
Dimensions (cm) | 2.9 x 1.8 x 1.1 |
Weight (g) | 8.73 |
Original Classification | CM2 Chondrite |
Mineral Composition (%Fa & %Fs) | |
Fayalite (mol%): 1-34 | |
Weathering | |
A/B | |
Fracturing | |
A/B | |
Macroscopic Description - Cecilia Satterwhite | |
The exterior has one shiny, pitted patch of black fusion crust. The interior is a fine-grained black matrix with small white and gray inclusions. Some inclusions are weathered. | |
Thin Section Description (,2) - Gretchen Benedix, Linda Welzenbach, Tim McCoy | |
The sections consist of abundant 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 Fa1-34. The matrix consists dominantly of Fe-rich serpentine. The meteorite is a CM2 chondrite. |
Antarctic Meteorite Images for Sample QUE 99443 | ||||
Lab Photo(s) : | ||||