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THE INMAN, McPHERSON COUNTY, KANSAS METEORITE
Author(s) -
Keil Klaus,
Lux Gayle,
Brookins D.G.,
King Elbert A.,
King Trude V.V.,
Jarosewich Eugene
Publication year - 1978
Publication title -
meteoritics
Language(s) - English
Resource type - Journals
eISSN - 1945-5100
pISSN - 0026-1114
DOI - 10.1111/j.1945-5100.1978.tb00796.x
Subject(s) - chondrite , chondrule , chromite , pyroxene , meteorite , geology , olivine , ilmenite , geochemistry , mineralogy , texture (cosmology) , troilite , astrobiology , physics , image (mathematics) , artificial intelligence , computer science
Inman (find, 1966) is a single, relatively unweathered stone of 7.25 kg that contains fresh metal and only few weathering products away from fractures. It has a pronounced chondritic texture, with 38 vol % of the meteorite being made up of chondrules of virtually all textural types. The recalculated bulk analysis, particularly the ratios of Fe total /SiO 2 (0.46), Fe°/Fe total (0.35), and Fe°/Ni° (6.67) and the contents of Fe total (19.45%) and metallic nickel‐iron (7.94%), indicate that Inman is an L‐group chondrite. The pronounced chondritic texture; the compositional variabilities of olivine, pyroxene, chromite, and ilmenite; the presence of a fine‐grained, nearly opaque matrix, glass and twinned monoclinic low‐Ca pyroxene indicate that the chondrite belongs to petrologic type 3.