• Thumbnail for Eucrite
    Eucrites are achondritic stony meteorites, many of which originate from the surface of the asteroid 4 Vesta and are part of the HED meteorite clan. They...
    4 KB (314 words) - 20:39, 28 September 2022
  • Thumbnail for Achondrite
    are named after the initial letters of the three subgroups: Howardites Eucrites Diogenites Angrites Aubrites Lunar meteorites are meteorites that originated...
    6 KB (565 words) - 19:16, 28 September 2023
  • Thumbnail for 4 Vesta
    hemisphere. Debris from these events has fallen to Earth as howardite–eucrite–diogenite (HED) meteorites, which have been a rich source of information...
    100 KB (8,880 words) - 16:31, 28 August 2024
  • Thumbnail for HED meteorite
    a clan (subgroup) of achondrite meteorites. HED stands for "howardite–eucrite–diogenite". These achondrites came from a differentiated parent body and...
    8 KB (787 words) - 03:53, 1 August 2024
  • Thumbnail for Howardite
    distinct members known. They are a regolith breccia consisting mostly of eucrite and diogenite fragments, although carbonaceous chondrules and impact melt...
    3 KB (162 words) - 01:47, 20 June 2021
  • Thumbnail for Asteroid belt
    April 1, 2007. Retrieved April 2, 2007. Drake, Michael J. (2001). "The eucrite/Vesta story". Meteoritics & Planetary Science. 36 (4): 501–513. Bibcode:2001M&PS...
    82 KB (8,804 words) - 06:11, 19 August 2024
  • Thumbnail for Meteorite classification
    from asteroid 4 Vesta, also called basaltic achondrites) Howardite group Eucrite group Diogenite group Angrite group Aubrite group (enstatite achondrites)...
    14 KB (1,580 words) - 03:30, 15 April 2024
  • Thumbnail for Millbillillie (meteorite)
    Western Australia on which it fell in October 1960. It is classified as a eucrite achondrite, a kind of stony meteorite. A fireball was observed "with sparks...
    3 KB (131 words) - 13:45, 20 August 2024
  • Thumbnail for Origin of water on Earth
    also matches ancient eucrite chondrites, which originate from the asteroid Vesta in the outer asteroid belt. CI, CM, and eucrite chondrites are believed...
    38 KB (4,650 words) - 08:18, 7 August 2024
  • Thumbnail for Basalt
    Mittlefehldt, David W. (June 2015). "Asteroid (4) Vesta: I. The howardite-eucrite-diogenite (HED) clan of meteorites". Geochemistry. 75 (2): 155–183. Bibcode:2015ChEG...
    69 KB (7,766 words) - 21:21, 8 July 2024
  • Thumbnail for Meteorite fall
    Aba Panu 2018 Nigeria Oyo L3 107  Aouinet Legraa 2013 Algeria Tindouf Eucrite-unbr 105  Mahbas Arraid 2013 Western Sahara Guelmim-Es Semara LL6 107 ...
    163 KB (1,191 words) - 16:19, 23 June 2024
  • Thumbnail for Ardnamurchan
    Ardnamurchan B. O'Driscoll, V.R. Troll, R.J. Reavy and P. Turner; 2005, The Great Eucrite intrusion of Ardnamurchan, Scotland: Reevaluating the ring-dike concept...
    19 KB (1,797 words) - 23:56, 26 June 2024
  • ; Tatsumoto, M. (11 December 1980). "Lu–Hf total-rock isochron for the eucrite meteorites". Nature. 288 (5791): 571–574. Bibcode:1980Natur.288..571P....
    46 KB (5,394 words) - 22:42, 21 August 2024
  • Thumbnail for Dawn (spacecraft)
    Five percent of the meteoritic samples found on Earth, the howardite–eucrite–diogenite (HED) meteorites, are thought to be the result of a collision...
    99 KB (8,417 words) - 14:11, 23 August 2024
  • Andrioniškis, Anykščiai District Municipality, Lithuania. It is a rare eucrite that contains maskelynite (a glassy phase found in some meteorite impact...
    10 KB (1,046 words) - 21:40, 1 March 2023
  • Thumbnail for Johnstown, Colorado
    howardites are a mix of diogenites and eucrites, with diogenites being the lower or deeper material in an asteroid, and eucrites being more surface originating...
    17 KB (1,155 words) - 11:06, 11 August 2024
  • Thumbnail for Late Heavy Bombardment
    "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 from...
    44 KB (5,482 words) - 15:54, 6 August 2024
  • Thumbnail for 274301 Wikipedia
    principal members. Vestian asteroids have a composition akin to cumulate eucrites (HED meteorites). They are thought to have originated deep within Vesta's...
    10 KB (742 words) - 16:20, 3 August 2024
  • Lodranite Ureilite Winonaite Asteroidal Angrite Aubrite HED Diogenite Eucrite Howardite Lunar Impact breccia Mare basalts List Martian Basaltic Breccia...
    3 KB (195 words) - 19:07, 29 April 2023
  • animal. HED – abbreviation for three basaltic achondrite groups howardite, eucrite and diogenite. HED meteorite – a clan of basaltic achondrites. Hexahedrite...
    18 KB (2,091 words) - 14:42, 2 October 2023
  • Thumbnail for Vestalia Terra
    surface is rather uniform, dominated by howardite—a mixture of diogenite and eucrite with large amounts of orthopyroxene and olivine: 31 —with a few outliers...
    12 KB (1,213 words) - 18:42, 16 June 2024
  • other meteorites coming out of the Australian Millbillillie meteorite (eucrite achondrite) strewn field. It was bought as a Millbillillie by Haag, but...
    4 KB (346 words) - 17:04, 3 July 2024
  • Thumbnail for Extraterrestrial materials
    November 2013). "Dawn; the Vesta-HED connection; and the geologic context for eucrite, diogenites, and howardites". Meteoritics & Planetary Science. 48 (11):...
    21 KB (2,212 words) - 05:23, 14 May 2024
  • Thumbnail for Hadean zircon
    revealed by high-precision U–Pb dating and trace element chemistry of eucrite zircon". Earth and Planetary Science Letters. 409: 182–192. Bibcode:2015E&PSL...
    44 KB (3,785 words) - 01:30, 19 June 2024
  • J. (1997). "A magma ocean on Vesta: Core formation and petrogenesis of eucrites and diogenites". Meteoritics & Planetary Science. 32 (6): 929–944. Bibcode:1997M&PS...
    84 KB (10,296 words) - 23:19, 23 August 2024
  • Thumbnail for Leon Silver
    23, 1966). Duke, Michael B., and Leon T. Silver. 1967. "Petrology of eucrites, howardites and mesosiderites," Geochimica et Cosmochimica Acta, Volume...
    26 KB (3,026 words) - 06:11, 15 August 2024
  • Thumbnail for Stannern (meteorite)
    classified into the HED meteorite clan (possibly from asteroid 4 Vesta) and eucrite sub-group. The fall was witnessed by many and dozens of fragments were...
    4 KB (366 words) - 13:32, 26 March 2023
  • Thumbnail for North Atlantic Igneous Province
    O'Driscoll, B.; Troll, V. R.; Reavy, R. J.; Turner, P. (2006-03-01). "The Great Eucrite intrusion of Ardnamurchan, Scotland: Reevaluating the ring-dike concept"...
    38 KB (4,276 words) - 11:53, 29 July 2024
  • Thumbnail for Gustav Rose
    named after Rose, and he is credited with coining the terms howardite and eucrite. Elemente der Krystallographie (1830) – Elements of crystallography....
    8 KB (623 words) - 15:41, 15 December 2023
  • an anomalous basaltic achondritic meteorite. Originally classified as a eucrite, it was thought to belong to a group of meteorites that originated from...
    8 KB (900 words) - 10:05, 15 March 2023