Sample Petrographic Description
Sample Number | LAP 04809 |
Newsletter | 30,2 |
Location | LaPaz Ice Field |
Field Number | 17033 |
Dimensions (cm) | 3.0 x 2.5 x 2.0 |
Weight (g) | 15.84 |
Original Classification | CM2 Chondrite |
Mineral Composition (%Fa & %Fs) | |
Fayalite (mol%): 1-46 | |
Weathering | |
B | |
Fracturing | |
B | |
Macroscopic Description - Kathleen McBride | |
The exterior has <10% purplish black fusion crust. The interior is a black, powdery matrix with gray to white chondrules. | |
Thin Section Description (,2) - Tim McCoy, Lauren LaCroix, Linda Welzenbach | |
The section consists of a few small, well-defined, unaltered chondrules (up to 1 mm), mineral grains and CAIs set in a black matrix; rare metal and sulfide grains are present. Olivine compositions are Fa1-46. The meteorite is a CM2 chondrite. |
Antarctic Meteorite Images for Sample LAP 04809 | ||||
Lab Photo(s) : | ||||
Antarctic Meteorite Images for Sample LAP 04809 | ||||
Thin Section Photo(s) : | ||||