title: The fall, recovery, orbit, and composition of the Tagish Lake meteorite: a new type of carbonaceous chondrite.
abstract: The preatmospheric mass of the Tagish Lake meteoroid was about 200,000 kilograms. Its calculated orbit indicates affinity to the Apollo asteroids with a semimajor axis in the middle of the asteroid belt, consistent with a linkage to low-albedo C, D, and P type asteroids. The mineralogy, oxygen isotope, and bulk chemical composition of recovered samples of the Tagish Lake meteorite are intermediate between CM and CI meteorites. These data suggest that the Tagish Lake meteorite may be one of the most primitive solar system materials yet studied.
authors.affiliation: Department of Physics and Astronomy, University of Western Ontario, London, Ontario N6A 3K7, Canada.
authors.forename: P G
authors.initials: PG
authors.lastname: Brown
authors.forename: A R
authors.initials: AR
authors.lastname: Hildebrand
authors.forename: M E
authors.initials: ME
authors.lastname: Zolensky
authors.forename: M
authors.initials: M
authors.lastname: Grady
authors.forename: R N
authors.initials: RN
authors.lastname: Clayton
authors.forename: T K
authors.initials: TK
authors.lastname: Mayeda
authors.forename: E
authors.initials: E
authors.lastname: Tagliaferri
authors.forename: R
authors.initials: R
authors.lastname: Spalding
authors.forename: N D
authors.initials: ND
authors.lastname: MacRae
authors.forename: E L
authors.initials: EL
authors.lastname: Hoffman
authors.forename: D W
authors.initials: DW
authors.lastname: Mittlefehldt
authors.forename: J F
authors.initials: JF
authors.lastname: Wacker
authors.forename: J A
authors.initials: JA
authors.lastname: Bird
authors.forename: M D
authors.initials: MD
authors.lastname: Campbell
authors.forename: R
authors.initials: R
authors.lastname: Carpenter
authors.forename: H
authors.initials: H
authors.lastname: Gingerich
authors.forename: M
authors.initials: M
authors.lastname: Glatiotis
authors.forename: E
authors.initials: E
authors.lastname: Greiner
authors.forename: M J
authors.initials: MJ
authors.lastname: Mazur
authors.forename: P J
authors.initials: PJ
authors.lastname: McCausland
authors.forename: H
authors.initials: H
authors.lastname: Plotkin
authors.forename: T
authors.initials: T
authors.lastname: Rubak Mazur