Sample Petrographic Description
Sample Number | QUE 94614 |
Newsletter | 19,2 |
Location | Queen Alexandra Range |
Field Number | 10830 |
Dimensions (cm) | 1.5 x 1.5 x 0.5 |
Weight (g) | 2.52 |
Original Classification | Mesosiderite |
Pairing | QUE 86900; QUE 93001; QUE 93002; QUE 93126; QUE 93150; QUE 93517; QUE 93575; QUE 93584; QUE 93586; QUE 94614; QUE 94639; |
Mineral Composition (%Fa & %Fs) | |
Ferrosilite (mol%): 22-37 | |
Weathering | |
B/C | |
Fracturing | |
B/C | |
Macroscopic Description - Kathleen McBride | |
Thin, black shiny patches of fusion crust are present on this meteorite's exterior surface. Areas without fusion crust are weathered brown. The interior is brown and fine grained. A few mineral grains are visible and oxidation is present. | |
Thin Section Description (,2) - Brian Mason | |
The section shows plagioclase and pyroxene clasts, up to 1.5 mm across, in an opaque matrix of nickel-iron and troilite (the nickel-iron extensively weathered to brown limonite). Most of the pyroxene is hypersthene, with compositions clustered around Wo2Fs24, but a few calcium-rich grains were analyzed, up to Wo34Fs32. Plagioclase compositions are An91-96. Trace amounts of an SiO2 polymorph, probably tridymite, are present. The meteorite is a mesosiderite; it is very similar to QUE 86900, with which it is probably paired. |
Antarctic Meteorite Images for Sample QUE 94614 | ||||
Thin Section Photo(s) : | ||||