Sample Petrographic Description
Sample Number | RBT 03523 |
Newsletter | 28,1 |
Location | Roberts Massif |
Field Number | 15331 |
Dimensions (cm) | 2.0 x 1.5 x 1.5 |
Weight (g) | 6.70 |
Original Classification | CM2 Chondrite |
Mineral Composition (%Fa & %Fs) | |
Fayalite (mol%): 1-57 | |
Weathering | |
B | |
Fracturing | |
A/B | |
Macroscopic Description - Kathleen McBride | |
The exterior has a dull, black fusion crust with polygonal fractures. The black interior matrix contains small light colored chondrules. This carbonaceous chondrite is soft. | |
Thin Section Description (,2) - 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 Fa1-57. The matrix consists dominantly of an Fe-rich serpentine. The meteorite is a CM2 chondrite |
Antarctic Meteorite Images for Sample RBT 03523 | ||||
Lab Photo(s) : | ||||
Antarctic Meteorite Images for Sample RBT 03523 | ||||
Thin Section Photo(s) : | ||||