Sample Petrographic Description
Sample Number | DOM 14359 |
Newsletter | 44,2 |
Location | Dominion Range |
Field Number | 22257 |
Dimensions (cm) | 10.0 x 6.5 x 5.5 |
Weight (g) | 392.97 |
Original Classification | CO3 Chondrite |
Mineral Composition (%Fa & %Fs) | |
Fayalite (mol%): 1-45;Ferrosilite (mol%): 1-63 | |
Weathering | |
Be | |
Fracturing | |
A/B | |
Macroscopic Description - Rachel Funk, Cecilia Satterwhite | |
The exteriors of these paired meteorites have black/brown fractured fusion crust with weathered areas and evaporites. The interiors are a dark gray to black matrix with some white specks, abundant in some areas and some large white inclusions. Some areas are rusty and weathered. | |
Thin Section Description (,2) - Cari Corrigan, Tim McCoy | |
These sections consist of abundant small (up to 1 mm) chondrules, chondrule fragments and mineral grains in a dark matrix. Metal and sulfide occur within and rimming the chondrules. Olivine ranges in composition from Fa1-56. Pyroxene analyses range from Fs1-62Wo0-2. The meteorites are CO3 chondrites, probably paired with the DOM 08004/DOM 10101 pairing group. | |
Reclassification Notes (AMN 44,2) | |
In vol. AMN 44, no. 2, we removed several pairing group members (DOM 10121, DOM 10299, DOM 10847, and DOM 14359) based on petrography, CRE ages, Cr contents of olivine, and H, C and N bulk and isotopic compositions. Righter K., Alexander, C., Foustoukos, D., Mertens, C.A.K., Busemann, H., Schutt, J. (2021) Pairing Relations Within CO3 Chondrites Recovered at the Dominion Range and Miller Range, Transantarctic Mountains, 84th Annual Meteoritical Society meeting, Chicago, abstract #6191. |
Antarctic Meteorite Images for Sample DOM 14359 | ||||
Lab Photo(s) : | ||||
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Antarctic Meteorite Images for Sample DOM 14359 | ||||
Thin Section Photo(s) : | ||||
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