THE MINERALOGY AND CHEMISTRY OF THE ALTA'AMEEM METEORITE Khaldoun S. AI-Bassam Department of Geochemistry...and Mineral Investigation Alwiya, Baghdad, Iraq The Alta'ameem hypersthene chondrite is a light gray brecciated...brecciated and metamorphosed meteorite composed mainly of olivine (27% Fa), orthopyroxene (24.5% Fs) and...(AnlO)' Other minerals include troilite, kamacite, taenite, chromite, ilmenite, clinopyroxene, chalcopyrite...mineralogical and chemical analyses suggest that the Alta'ameem meteorite belongs to the amphoterite group of chondrites |