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Stony meteorite that does not contain chondrules
An achondrite is a stony meteorite that does not contain chondrules. It consists of material similar to terrestrial basalts or plutonic rocks and has been
Achondrite
Subdivision of meteorites
Primitive achondrites are a subdivision of meteorites. They are classified on the same rank (historically called "Class") and lying between chondrites
Primitive_achondrite
Asteroid spectral type
E-type (enstatite achondrite–type) asteroids are asteroids thought to have enstatite (MgSiO3) achondrite surfaces. They form a large proportion of asteroids
E-type_asteroid
the IAB group/complex. IAB meteorite – an iron meteorite and primitive achondrite of the IAB group/complex. IB meteorite – an iron meteorite group now part
Glossary_of_meteoritics
City in Tataouine Governorate, Tunisia
homes were built in Tataouine. On June 27, 1931, a meteorite of unusual achondrite type and green color impacted at Tataouine; about 12 kg of fragments were
Tataouine
Systems of grouping meteorites based on shared characteristics
group with <5 members) Achondrites Primitive achondrites Acapulcoite group Lodranite group Winonaite group Asteroidal achondrites HED meteorite clan (possibly
Meteorite_classification
Group of meteorites
Aubrites are a group of meteorites named for Aubres, a small achondrite meteorite that fell in 1836 in Aubres near Nyons, France. They are primarily composed
Aubrite
Group of primitive achondrite meteorites
group of primitive achondrite meteorites. Like all primitive achondrites, winonaites share similarities with chondrites and achondrites. They show signs
Winonaite
Scientific dating of the Earth
years 4. Re-Os isochron 4.68 ± 0.15 billion years 2. Juvinas (basaltic achondrite) 1. Pb-Pb isochron 4.556 ± 0.012 billion years 2. Pb-Pb isochron 4.540
Age_of_Earth
Deprecated term formerly used in meteoritics
melting and impact events and are grouped with the primitive achondrites and the achondrites. Iron meteorites are derived from planetary cores of asteroids
Nonmagmatic_meteorite
Topics referred to by the same term
may refer to: E-type asteroid, an asteroid thought to have an enstatite achondrite surface Victorian Railways E type carriage, a wooden express train passenger
E-Type
Class of stony meteorites made of round grains
and nickel content. Non-metallic meteorites that lack chondrules are achondrites, which are believed to have formed more recently than chondrites. There
Chondrite
Group of achondrite meteorites
meteorites are a clan (subgroup) of achondrite meteorites. HED stands for "howardite–eucrite–diogenite". These achondrites came from a differentiated parent
HED_meteorite
Achondritic stony meteorite
Vesta and are part of the HED meteorite clan. They are the most common achondrite group with over 100 meteorites found. Eucrites consist of basaltic rock
Eucrite
Solid debris from outer space that hits a planetary surface
into a thin fusion crust, which on most meteorites is black (on some achondrites, the fusion crust may be very light-colored). On stony meteorites, the
Meteorite
Second largest main-belt asteroid
accessible to scientists, in the form of over 1200 HED meteorites (Vestan achondrites), giving insight into Vesta's geologic history and structure. NASA Infrared
4_Vesta
Ancient meteorite discovered in the Erg Chech region of Algeria
Erg Chech 002 Erg Chech 002 End Cut Faces Type Ungrouped achondrite Shock stage Low Weathering grade Low Country Algeria Coordinates 26°01′55″N 1°36′40″W
Erg_Chech_002
Rare group of achondrite meteorites
Angrites are a rare group of achondrites consisting mostly of Al-Ti bearing diopside, hedenbergite, olivine, anorthite and troilite with minor traces
Angrite
Water and its precursors in asteroids
Mittelfehldt D (1996). "Mineralogy of carbonaceous chondrite clasts in HED achondrites and the moon". Meteoritics & Planetary Science. 31 (4): 518–537. Bibcode:1996M&PS
Asteroidal_water
Meteorite impact crater in Bavaria, Germany
14.808 ± 0.038 Ma, Middle Miocene Exposed Yes Drilled Yes Bolide type Achondrite Location Coordinates 48°53′N 10°34′E / 48.883°N 10.567°E / 48.883;
Nördlinger_Ries
Sand- to boulder-sized particle of debris in the Solar System
called chondrites. Stony meteoroids without these features are called "achondrites", which are typically formed from extraterrestrial igneous activity;
Meteoroid
Trojan asteroid of Mars
asteroid, but the visual spectrum is consistent with an evolved form of achondrite called an angrite. A-class asteroids are tinted red in hue, with a moderate
5261_Eureka
Group of meteorites
primitive achondrites or as asteroidal achondrites. Like all primitive achondrites, they have similarities with chondrites and achondrites. Brachinites
Brachinite
Wadsworth Type stony meteorite Class achondrite Clan HED meteorite Group eucrite Shock stage moderate Weathering grade low Country United States Region
Wadsworth_(meteorite)
Meteorite found in Western Australia
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 coming
Millbillillie_(meteorite)
Sub-kilometer asteroid and synchronous binary system
approximately 600 meters in diameter and has a composition of a basaltic achondrite. In 2008, its minor-planet moon, designated S/2008 (450894) 1, was discovered
(450894)_2008_BT18
Meteorites that consist of nearly equal parts of meteoric iron and silicates
differentiated, meaning that they show signs of alteration. They are therefore achondrites. The stony-irons are divided into mesosiderites and pallasites. Pallasites
Stony-iron_meteorite
Rocksalt group, sulfide mineral
interstitial mineral phase between silicate minerals in enstatite chondrite and achondrite meteorites. It occurs in association with enstatite, augite, niningerite
Oldhamite
Canadian-American chemist and academic
meteorite, the Brachinite, was identified. Clayton and Mayeda studied the Achondrite meteorites and showed that variations in the oxygen isotope ratios within
Robert_N._Clayton
Rare type of stony meteorite
about 1000 °C. A geological name for ureilite would be olivine-pigeonite achondrite. Compared to most other meteorites, ureilites tend to have a high percentage
Ureilite
Academic journal
CR CV C ungrouped Enstatite EH EL Kakangari Ordinary H L LL Rumuruti Achondrite Primitive Acapulcoite Brachinite IAB IIICD Lodranite Ureilite Winonaite
Geochimica et Cosmochimica Acta
Geochimica_et_Cosmochimica_Acta
Group of iron meteorites
meteorites according to their overall composition and a group of primitive achondrites because of silicate inclusions that show a strong affinity to winonaites
IAB_meteorite
City and LGA and town in Adamawa State, Nigeria
J.; Hutchison, R. (1977). "The Mayo Belwa meteorite: a new enstatite achondrite fall". Mineralogical Magazine. 41 (320): 487–492. doi:10.1180/minmag.1977
Mayo-Belwa
Group of achondrites that originate from the asteroid 4 Vesta
Alexandra Range in Antarctica. Compositional type Stony Type Achondrite Class Asteroidal achondrite Clan HED meteorite Parent body 4 Vesta Total known specimens
Howardite
Martian meteorite
chassignite and ALH 84001). NWA 7034 was classified as an ungrouped planetary achondrite until the Meteoritical Society approved the new designation "Martian (basaltic
Northwest_Africa_7034
Meteorite found in Poland
enstatite and meteoric iron. Currently classified as an ungrouped enstatite achondrite its classification is still an ongoing scientific debate. The Zakłodzie
Zaklodzie_meteorite
2008 asteroid-type meteoroid
measured was an anomalous ultra-fine-grained porous polymict ureilite achondrite, with large carbonaceous grains. Almahata Sitta is the first observed
2008_TC3
Main-belt asteroid
S-type in the Tholen classification system, and is similar to primitive achondrite meteorites. Measurements of the thermal inertia of 32 Pomona give a value
32_Pomona
American geologist and oil entrepreneur
"Caswellsilverite NaCrS2: a new mineral in the Norton County enstatite achondrite," American Mineralogist, Vol. 67 (1982): 132-136. See Ashburn, “Memorial”
Caswell_Silver
Group of the primitive achondrite class of meteorites
Acapulcoites are a group of the primitive achondrite class of stony meteorites. The acapulcoites are named after the only specimen of the group that was
Acapulcoite
Place in Perak, Malaysia
possible reasons may explain the lack of PGE: The projectile was of the achondrite type, hence contained low PGEs, and a shallow-angle impact of under 45°
Bukit_Bunuh
American cosmochemist
microdistributions in two unusual extraterrestrial igneous systems: The enstatite achondrite (aubrite) meteorites and the lunar ferroan anorthosites. She entered the
Christine_Floss
First known lunar meteorite found on Earth
Yamato 791197 Type Achondrite Class Lunar meteorite Group Anorthositic Parent body Moon Country Antarctica Coordinates 71°30′S 35°40′E / 71.500°S 35
Yamato_791197
Town in Weld and Larimer counties in Colorado, United States
heard the several stones falling. The meteorite is classified as an "achondrite stony meteorite of the diogenite class in the HED group" of meteorites
Johnstown,_Colorado
Meteorite that originated from the Moon
Lunar meteorite (Lunaite) — Clan — Lunar meteorite Allan Hills 81005 Type Achondrite Subgroups Highland breccia Mare basalt Parent body Moon Total known specimens
Lunar_meteorite
Type of meteorites
Lodranites are a small group of primitive achondrite meteorites that consists of meteoric iron and silicate minerals. Olivine and pyroxene make up most
Lodranite
Main-belt asteroid
(silicate) in the Tholen classification system, and is similar to primitive achondrite meteorites. Photometric observations at the Organ Mesa Observatory in
40_Harmonia
Academic journal
CR CV C ungrouped Enstatite EH EL Kakangari Ordinary H L LL Rumuruti Achondrite Primitive Acapulcoite Brachinite IAB IIICD Lodranite Ureilite Winonaite
Meteoritics & Planetary Science
Meteoritics_&_Planetary_Science
Purported impact craters in Argentina
only achondrite meteorite. Later analyses by Levine and others estimated a terrestrial residency age of 410,000 years for the single achondrite meteorite
Río_Cuarto_craters
Group of chondrites with low iron and low metal content
stage between chondrites and achondrites and to name them amphoterites. We know now that LL chondrites and achondrites are quite different, so this name
LL_chondrite
Meteorites with high levels of primordial gases
(1975). "Electron petrography of shock effects in a gas-rich enstatite-achondrite". Contributions to Mineralogy and Petrology. 49 (2): 149–62. Bibcode:1975CoMP
Gas-rich_meteorites
Group of achondritic stony meteorites that originate from the asteroid 4 Vesta
Johnstown Diogenite. Type Achondrite Structural classification Igneous rocks of plutonic origin Class Asteroidal achondrite Clan HED Parent body 4 Vesta
Diogenite
NASA orbiter mission to asteroid Vesta and dwarf planet Ceres (2007–2018)
S. (2010). "Differentiation of Vesta and the parent bodies of other achondrites". J. Geophys. Res. Planets. 115 (E8): E08001. Bibcode:2010JGRE..115.8001G
Dawn_(spacecraft)
Meteorite found in Western Sahara
called "primitive enstatite achondrites". Glossary of meteoritics Keil, Klaus (31 December 2009). "Enstatite achondrite meteorites (aubrites) and the
Itqiy_meteorite
American meteorite collector
meteorites coming out of the Australian Millbillillie meteorite (eucrite achondrite) strewn field. It was bought as a Millbillillie by Haag, but he discovered
Robert_A._Haag
Meteorite found in South Australia
differentiated, V-type asteroid, but not from 4-Vesta. This type of brecciated achondrite is similar to terrestrial igneous rocks and has undergone igneous processing
Bunburra_Rockhole_(meteorite)
Mars-crossing small asteroid
observations through 2007 indicate that it has a large proportion of metal and achondrites on its surface (either with or without a mesosiderite contribution);
(101429)_1998_VF31
Type of rock
ALH 84001 is an extraterrestrial example of an orthopyroxenite. It is an achondrite meteorite from Mars.
Orthopyroxenite
Meteorite composed of iron-nickel alloy called meteoric iron
S. (2010). "Differentiation of Vesta and the parent bodies of other achondrites". J. Geophys. Res. Planets. 115 (E8). Bibcode:2010JGRE..115.8001G. doi:10
Iron_meteorite
Meteoroid that survives Earth's atmosphere
retrieved from micrometeorites in acid baths has shown that primitive achondrites, which represent less than half a percent of the MM reaching Earth today
Micrometeorite
Meteorite
Norton County Type Achondrite Class Asteroidal achondrite[citation needed] Group Aubrite Country United States Region Kansas Coordinates 39°41′N 99°52′W
Norton_County_(meteorite)
Australian network of meteoroid tracking cameras
Bunburra Rockhole July 21, 2007 Australia South Australia Brecciated achondrite Yes Mason Gully April 13, 2010 Australia Western Australia H5 Yes
Desert_Fireball_Network
Meteorite made of rock originating from Mars
(SNC meteorites) — Clan — Martian meteorite EETA79001, shergottite Type Achondrite Subgroups Shergottite Nakhlite Chassignite Orthopyroxenite Basaltic Breccia
Martian_meteorite
Type of iron meteorite
IVB meteorites are a group of ataxite iron meteorites classified as achondrites. The IVB group has the most extreme chemical compositions of all iron
IVB_meteorite
Meteorite
approximately 4.56 billion years ago. It is classified as an ungrouped achondrite, and is notable for its green fusion crust and high-magnesium/low-iron
Northwest_Africa_7325
Group of primitive achondrites
IIICD meteorites are a group of primitive achondrites. They are classified in a clan together with the IAB meteorites and the winonaites. IIICD meteorites
IIICD_meteorite
Type of asteroid
Binzel and S. Xu Chips off of asteroid 4 Vesta: Evidence for the parent body of basaltic achondrite meteorites, Science, Vol. 260, p. 186 (1993). v t e
J-type_asteroid
Meteorite found in Antarctica
alteration. The Martian meteorite is an igneous rock classified as an achondrite type of the nakhlite group. Allan Hills 84001 Astrobiology Glossary of
Yamato_000593
Class of chondritic meteorites
A kerogen-like material is also in the ALH84001 Martian meteorite (an achondrite). The CM meteorite Murchison has over 96 extraterrestrial amino acids
Carbonaceous_chondrite
Near-Earth asteroid
it could be potentially associated with aubrite meteorites (enstatite achondrites). Although the discoverer is given the opportunity to name the asteroid
4660_Nereus
Aspect of geology studying variations in isotope abundances in the natural environment
formed the Solar System. CHUR was determined by analysing chondrite and achondrite meteorites. The difference in the ratio of the sample relative to CHUR
Isotope_geochemistry
Meteorite found in Australia
meteorite is the type specimen of the brachinites class of the asteroidal achondrites. The meteorite is named after Brachina in South Australia. Two fragments
Brachina_meteorite
Meteorite which landed in Peekskill, New York, United States in 1992
The Peekskill meteorite is the object resulting from a well-documented meteorite event that occurred in October, 1992, in Peekskill, New York, United States
Peekskill_meteorite
Astrogeological concept
materials rose to the surface. The compositions of some meteorites (achondrites) show that differentiation also took place in some asteroids (e.g. Vesta)
Planetary_differentiation
Meteorite in Lithuania
Padvarninkai Type Achondrite Class Asteroidal achondrite Clan HED meteorite Group Eucrite Country Lithuania Region Anykščiai District Municipality Coordinates
Padvarninkai_meteorite
Martian meteorite discovered in Antarctica in 1984
Allan Hills 84001 Meteorite fragment ALH84001 Type Achondrite Clan Martian meteorite Grouplet Orthopyroxenite Composition Low-Ca Orthopyroxene, Chromite
Allan_Hills_84001
Asteroid impact structure in France
workers. The most recent studies seems to agree with a special type of achondrite, a mix by impact of iron meteorite and silicates formerly designated as
Rochechouart_impact_structure
Meteorite found in Sweden
chondrites, while oxygen isotopes are similar to those in some rare primitive achondrites. Österplana 065 also features a chromium-spinel–rutile assemblage, not
Österplana_065
Award
CR CV C ungrouped Enstatite EH EL Kakangari Ordinary H L LL Rumuruti Achondrite Primitive Acapulcoite Brachinite IAB IIICD Lodranite Ureilite Winonaite
Nier_Prize
1982 during the chemical analysis of The North Haig olivine pigeonite achondrite (ureilite). It is a cream white color in reflected light, and ranges in
Suessite
near-infrared spectra of V-type asteroids closely resemble those of basaltic achondrite meteorites, particularly the HED meteorites (Howardites, Eucrites, and
V-type_asteroid
Meteorite found in the United States
Vermillion Type Achondrite, pallasite Grouplet Pyroxene pallasite grouplet Composition Meteoric iron (~86%) silicates (~14%) Country United States Region
Vermillion_meteorite
Scientific study of meteors, meteorites and meteoroids
1978). "Chronology and chemical history of the parent body of basaltic achondrites studied by the 87Rb-87Sr method". Earth and Planetary Science Letters
Meteoritics
Impact crater of Northern Territory
c. 30 km Age c. 646 million years Exposed Yes Drilled No Bolide type Achondrite Location Coordinates 15°12′S 133°35′E / 15.200°S 133.583°E / -15.200;
Strangways_crater
Statistics used to find the amount of meteorites
stony-irons, and two major groups of stony meteorites, chondrites and achondrites. For some of the less-studied stony meteorite falls, it is not known
Meteorite_fall_statistics
Collected meteorite whose fall was observed
Tschermak in 1885 proposed the name Diogenite for an abundant type of Achondrite "after Diogenes of Apollonia, who was the first to express clear ideas
Meteorite_fall
Science award
Micro-meteorites in Soil Samples 1962–1963 Michael Duke Petrology of the Basaltic Achondrite Meteorites 1962–1963 James L. Setser Determination of the Abundance of
Nininger_Meteorite_Award
Phosphide mineral
CR CV C ungrouped Enstatite EH EL Kakangari Ordinary H L LL Rumuruti Achondrite Primitive Acapulcoite Brachinite IAB IIICD Lodranite Ureilite Winonaite
Allabogdanite
Scientific hypothesis that life originated from formamide precursors
of meteoritic origin encompassing iron, stony-iron, chondrites, and achondrites meteorites. Various energy sources, including thermal energy, UV-radiation
Formamide-based prebiotic chemistry
Formamide-based_prebiotic_chemistry
Martian meteorite which landed in Egypt in 1911
(BM1913,25): two sides and its inner surfaces after being broken open Type Achondrite Class Martian meteorite Group Nakhlite Country Khedivate of Egypt Region
Nakhla_meteorite
Meteorite
known meteorites on area of the Czech Republic (in Czech) Our Favorite Achondrites, Part 1 by the IMCA Board of Directors Photo of one of the fragments
Stannern_(meteorite)
Martian meteorite discovered in India
Shergotty meteorite 50-milligram fragment of the Shergotty meteorite Type Achondrite Class Martian meteorite Group Shergottite Parent body Mars Country India
Shergotty_meteorite
Meteorite found in Argentina
D'Orbigny meteorite A fragment of the D'Orbigny meteorite Type Stony Class Achondrite Group Angrite Country Argentina Region Buenos Aires Coordinates 37°40′S
D'Orbigny_meteorite
American geologist (1925–2022)
Silver, L.T., and M. B. Duke, "U-Th-Pb Isotope Relations in Some Basaltic Achondrites," Transactions of the American Geophysical Union, Volume 52, Number 4
Leon_Silver
Main belt asteroid
it lies between the mineralogies of ordinary chondrites and basaltic achondrites, indicating that it originated from a differentiated parent body. It
(10537)_1991_RY16
Japanese American chemist
meteorite, the Brachinite, was identified. Clayton and Mayeda studied the Achondrite meteorites and showed that variations in the oxygen-17 isotope ratios
Toshiko_Mayeda
Meteorite found in Lithuania
Jodzie Type Achondrite Class Asteroidal achondrite Clan HED meteorite Group Howardite Country Lithuania Region Panevėžys District Municipality Coordinates
Jodzie
Meteorite found in Nigeria
Zagami Fragment of the Zagami meteorite Type Achondrite Class Martian meteorite Group Shergottite Parent body Mars Composition Shergottite-basaltic Country
Zagami_meteorite
Meteorite
Pavlovka Type Achondrite Class Asteroidal achondrite Group Howardite Country Russia Region Saratov Oblast Coordinates 52°2′N 43°0′E / 52.033°N 43.000°E
Pavlovka_(meteorite)
Group of meteorites
Mittlefehldt, D (Jul 1996). "Mineralogy of carbonaceous chondrite clasts in HED achondrites and the Moon". Meteoritics & Planetary Science. 31 (4): 518–37. Bibcode:1996M&PS
CM_chondrite
ACHONDRITE
ACHONDRITE
ACHONDRITE
ACHONDRITE
Girl/Female
Indian, Kannada
Devotee of Lord Krishna
Girl/Female
Latin
A Roman priestess.
Girl/Female
American, French, Gaelic, Greek, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Telugu
Dear Child
Girl/Female
Indian
Shelter
Boy/Male
Tamil
Amlankusum | à®…à®®à¯à®²à®¾à®¨à¯à®•à¯à®¸à¯à®®
Unfading flower
Girl/Female
American, British, English
Bitter; Variant of Marlene; Derived from Madeline; Woman from Magdala
Girl/Female
Indian, Sanskrit
Desires Intelligence
Girl/Female
Greek
The laurel tree. The mythological virtuous Daphne was transformed into a laurel tree to protect...
Girl/Female
Indian
Girl/Female
Hindu
Defending the earth
ACHONDRITE
ACHONDRITE
ACHONDRITE
ACHONDRITE
ACHONDRITE