Sample Petrographic Description
Sample Number | MCY 05232 |
Newsletter | 29,2 |
Location | MacKay Glacier |
Field Number | 17308 |
Dimensions (cm) | 1.0 x 1.25 x 0.75 |
Weight (g) | 2.09 |
Original Classification | CK4 Chondrite |
Mineral Composition (%Fa & %Fs) | |
Fayalite (mol%): 33 | |
Weathering | |
B | |
Fracturing | |
B | |
Macroscopic Description - Kathleen McBride | |
90% of the exterior has purplish black fusion crust with polygonal fractures. The interior is a dark gray matrix with dark colored chondrules. | |
Thin Section Description (,2) - Tim McCoy | |
The section consists of large (up to 2 mm), well-defined chondrules in a matrix of finer-grained silicates, sulfides and very abundant magnetite. The meteorite is weathered and extensively shock blackened. Silicates are homogeneous (Fa33). The meteorite is a CK4 chondrite. |
Antarctic Meteorite Images for Sample MCY 05232 | ||||
Thin Section Photo(s) : | ||||