Sample Petrographic Description
Sample Number | QUE 93607 |
Newsletter | 18,2 |
Location | Queen Alexandra Range |
Field Number | 7881 |
Dimensions (cm) | 1.2 x 0.9 x 0.5 |
Weight (g) | 1.53 |
Original Classification | L3.5 Chondrite |
Mineral Composition (%Fa & %Fs) | |
Fayalite (mol%): 1-32;Ferrosilite (mol%): 4-25 | |
Weathering | |
Be | |
Fracturing | |
A/B | |
Macroscopic Description - Cecilia Satterwhite | |
The exterior is totally covered with dull, pitted, dark-brown to black fusion crust. Some fractures penetrate the surface. The interior matrix is fine-grained, dark-brown to black with some small weathered inclusions visible. Oxidation is obvious and evaporite deposit is present. | |
Thin Section Description (,2) - Brian Mason | |
The section shows numerous chondrules (up to 1.2 mm across), chondrule fragments, and mineral grains in a small amount of black matrix. The matrix contains moderate amounts of nickel-iron and sulfide. Weathering is extensive, with brown limonitic staining throughout the section. The section is partially rimmed with fusion crust. Microprobe analyses show a wide range of olivine and pyroxene compositions: olivine, Fa1-32, mean Fa13; pyroxene, Fs4-25. The meteorite is classified as an L3 chondrite (estimated L3.5). |
Antarctic Meteorite Images for Sample QUE 93607 | ||||
Thin Section Photo(s) : | ||||