Sample Petrographic Description
Sample Number | QUE 94575 |
Newsletter | 19,1 |
Location | Queen Alexandra Range |
Field Number | 10220 |
Dimensions (cm) | 4.6 x 3.0 x 2.1 |
Weight (g) | 39.37 |
Original Classification | H3.6 Chondrite |
Mineral Composition (%Fa & %Fs) | |
Fayalite (mol%): 1-22;Ferrosilite (mol%): 12-24 | |
Weathering | |
C | |
Fracturing | |
A | |
Macroscopic Description - Roberta Score | |
This stone is completely weathered, devoid of fusion crust, and any other worthwhile characteristics. | |
Thin Section Description (,2) - Brian Mason | |
The section shows abundant chondrules, up to 0.9 mm across, and chondrule fragments in a black matrix which contains about 25% of nickel-iron and troilite. Weathering is extensive, with limonitic staining and areas of brown limonite throughout the section. Microprobe analyses show olivine and pyroxene of variable composition: olivine, Fa1-22, mean Fa13; pyroxene, Fs12-24. The variability of the olivine and pyroxene compositions indicate type 3, and the abundance of metal H group, so the meteorite is classified as an H3 chondrite (estimated H3.6). |
Antarctic Meteorite Images for Sample QUE 94575 | ||||
Thin Section Photo(s) : | ||||