Group of achondrites that originate from the asteroid 4 Vesta
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Howardite
— Group —
QUE94200, a Howardite about 5 centimetres (2.0 in) across, found in the Queen Alexandra Range in Antarctica.
Compositional type
Stony
Type
Achondrite
Class
Asteroidal achondrite
Clan
HED meteorite
Parent body
4 Vesta
Total known specimens
~200
Howardites are achondritic stony meteorites that originate from the surface of the asteroid 4 Vesta, and as such are part of the HED meteorite clan.[1][2] There are about 200 distinct members known.[3]
^Harry Y. McSween, Meteorites and their parent planets. Cambridge University Press, 1999. ISBN 0-521-58751-4, ISBN 978-0-521-58751-8. - p.129
Howardites are achondritic stony meteorites that originate from the surface of the asteroid 4 Vesta, and as such are part of the HED meteorite clan. There...
southern hemisphere. Debris from these events has fallen to Earth as howardite–eucrite–diogenite (HED) meteorites, which have been a rich source of information...
meteorites are a clan (subgroup) of achondrite meteorites. HED stands for "howardite–eucrite–diogenite". These achondrites came from a differentiated parent...
5734. Mittlefehldt, David W. (June 2015). "Asteroid (4) Vesta: I. The howardite-eucrite-diogenite (HED) clan of meteorites". Geochemistry. 75 (2): 155–183...
clan (possibly from asteroid 4 Vesta, also called basaltic achondrites) Howardite group Eucrite group Diogenite group Angrite group Aubrite group (enstatite...
individual weighing 3986 grams. This specimen is in the private collection of Howardite meteorites. Murnpeowie meteorite, with regmaglypts resembling thumbprints...
might have fallen from the sky. One type of meteorite is now known as Howardite. Howard married Elizabeth Maycock, a daughter of William Maycock, and...
and/or an animal. HED – abbreviation for three basaltic achondrite groups howardite, eucrite and diogenite. HED meteorite – a clan of basaltic achondrites...
Governorate, Russian Empire, now in Lithuania). It is a relatively rare howardite with some carbonaceous inclusions that were likely a result of an asteroid...
similar. They are named after the initial letters of the three subgroups: Howardites Eucrites Diogenites Angrites Aubrites Lunar meteorites are meteorites...
not "cluster" at this date, but span between 2.5 and 3.9 Ga. Dating of howardite, eucrite and diogenite (HED) meteorites and H chondrite meteorites originating...
Porangaba 2015 Brazil São Paulo L4 104 Sarıçiçek 2015 Turkey Bingöl Howardite 105 Sidi Ali Ou Azza 2015 Morocco Guelmim-Es-Semara L4 105 Aiquile 2016...
Compositionally, most of Vestalia Terra's surface is rather uniform, dominated by howardite—a mixture of diogenite and eucrite with large amounts of orthopyroxene...
confirming that asteroid 2018 LA was a Howardite-Eucrite-Diogenite (HED) type material, specifically a howardite with individual samples of diogenites...
the parent body for specific meteorites. 4 Vesta is the parent body for Howardite, Eucrite, and Diogenite meteorites, while 3103 Eger is the parent body...
northern and northeastern highlands, whose mineralogy is dominated by howardite, a mixture of eucrite and diogenite.: 131–134 Feralia Planitia is the...
roselite is named after Rose, and he is credited with coining the terms howardite and eucrite. Elemente der Krystallographie (1830) – Elements of crystallography...
particularly hydrous R chondrites. Like ordinary chondrites, the HEDs (howardites, eucrites, and diogenites) were assumed to have formations and histories...
Vesta-HED connection; and the geologic context for eucrite, diogenites, and howardites". Meteoritics & Planetary Science. 48 (11): 2090–21–4. Bibcode:2013M&PS...
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