Sample Petrographic Description
Sample Number | MIL 090300 |
Newsletter | 34,1 |
Location | Miller Range |
Field Number | 20611 |
Dimensions (cm) | 1.75 x 1.0 x 0.75 |
Weight (g) | 1.98 |
Original Classification | EH4 Chondrite |
Mineral Composition (%Fa & %Fs) | |
Ferrosilite (mol%): 1 | |
Weathering | |
C | |
Fracturing | |
C | |
Macroscopic Description - Kathleen McBride | |
The exterior is rusty brown in color with no fusion crust visible. The interior is a brown matrix with metal and white to light gray chondrules. | |
Thin Section Description (,2) - Cari Corrigan, Linda Welzenbach | |
This section shows an aggregate of chondrules (up to 1 mm), chondrule fragments, and pyroxene grains in a matrix of about 30% metal and sulfide, including daubreelite. Microprobe analyses show pyroxene is Fs1. Kamacite contains from 2.7-3.0 wt.% Si. This meteorite is an EH chondrite, probably a type 4. |
Antarctic Meteorite Images for Sample MIL 090300 | ||||
Lab Photo(s) : | ||||
Antarctic Meteorite Images for Sample MIL 090300 | ||||
Thin Section Photo(s) : | ||||