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The Bur‐Gheluai Meteorite (Mineralogy, Structure and Metamorphism)
Author(s) -
LEVIDONATI G. R.
Publication year - 1968
Publication title -
meteoritics
Language(s) - English
Resource type - Journals
eISSN - 1945-5100
pISSN - 0026-1114
DOI - 10.1111/j.1945-5100.1968.tb00372.x
Subject(s) - metamorphism , geology , meteorite , geochemistry , chondrite , mineralogy , olivine , astrobiology , physics
The principal data about the fall and the distribution of the fragments of the Bur‐Gheluai, Bur Acaba, Somalia (CN = EO436,024) meteorite are collected. A complete individual, weighing 744.2 g, preserved in the Geological Institute, Agricultural Dept., University of Perugia, Italy, is described in some detail. Crust morphology, mineralogical composition and structure are studied. Optical data are established by microscopical analysis of eight thin sections and two polished surfaces. Compared with electron‐probe analysis, they are found in good agreement. Bur‐Gheluai is an holocrystalline, olivine‐bronzite chondrite, with evident features of recrystal‐lization and metamorphism.