The origin of the unique achondrite Northwest Africa 6704: Constraints from petrology, chemistry and Re-Os, O and Ti isotope systematics.
Hibiya Y, Archer GJ, Tanaka R, Sanborn ME, Sato Y, Iizuka T, Ozawa K, Walker RJ, Yamaguchi A, Yin QZ, Nakamura T, Irving AJ.
Hibiya Y, et al.
Geochim Cosmochim Acta. 2019 Jan 15;245:597-627. doi: 10.1016/j.gca.2018.04.031. Epub 2018 May 9.
Geochim Cosmochim Acta. 2019.
PMID: 30983599
Free PMC article.
The meteorite consists of orthopyroxene megacrysts (En(55-57)Wo(3-4)Fs(40-42); Fe/Mn = 1.4) up to 1.7 cm in length with finer interstices of olivine (Fa(50-53); Fe/Mn = 1.1-2.1), chromite (Cr# ~ 0.94), awaruite, sulfides, plagioclase (Ab(92)An(5)Or(3)) and merrillite. The …
The meteorite consists of orthopyroxene megacrysts (En(55-57)Wo(3-4)Fs(40-42); Fe/Mn = 1.4) up to 1.7 cm in length with finer interstices of …