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rock > igneous rock > differentiated meteorite > differentiated achondrite > asteroidal achondrite > ureilite > monomict ureilite > Havero
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Havero comparison table
Subject has weather resistance has reference has minerology has degree of shock metamorphism has shock stage is an instance of has distinguishing feature has fragmentation probability has olivine grain characteristic has fall date has metamorphism mechanism has pyroxene shock metamorphism has likely origin has solidification mechanism has shock diagnostic mineral has olivine composition has olivine shock metamorphism has fall description has weather has letter designation has relative abundance has texture has value has total mass of find has matrix composition has characteristic mineral has composition is a kind of has original texture has number of find has origin has ablative mass loss has shock pressure has solidification timescale has plagioclase has pigeonite composition has definition has intergranular boundary has gain size has pyroxene content has petrology
meteorite fallwhich depends on its composition      during meteor phase which depends on composition recorded by eyewitness or instruments       what witnesses saw or what was recorded by instrumentsnegligible due to quick recovery of meteorite before corrosion begins   higher because the fall was witnessed485755 kg  often minerals not found on Earthmeteorite 1691meteoroid from interplanetary space or fragment dislodged from another planet, moon or planetesimaldirectly proportional to initial velocity    a meteorite whose fall was witnessed by human or electronic means    
monomict ureilitelow olivine, pyroxene (some combination of pigeonite, orthopyroxene, augite)   no chondruleshigh because it is more friable than iron meteoritereduced rims contacting carbonaceous matrix material 0.1 mm FeO-free olivine and/or enstatite rims riddled with tiny inclusions of low-Ni metalrecorded by eyewitness or inferred from dating methods  partial melting residuecooling in deep underground chambers     AURE7.1 % of meteorite fallslarge, anhedral olivine and pyroxene grains 9 kg (out of date)carbon, metal, sulfides small silicate grains along grain boundaries less than 10% by volumeolivine-pigeonite about 90% by volumesilicates (with very few exceptions)ureilite 6 (out of date)asteroidhigh because it is more friable than iron meteorite very slow0 %  curved meeting in triple junctions1 mm coarse-grained granular
mosaicized ureilitewhich depends on its composition olivine, pyroxene (some combination of pigeonite, orthopyroxene, augite)shock meltedshock melted no chondrulesduring meteor phase which depends on compositionreduced rims contacting carbonaceous matrix material 0.1 mm FeO-free olivine and/or enstatite rims riddled with tiny inclusions of low-Ni metalrecorded by eyewitness or inferred from dating methodsshock metamorphismmottled by melt glasspartial melting residuecooling in deep underground chambersdiamonds and/or lonsdaleite completely shattered or mosaicized  AURE mosaicized 9 kg (out of date)carbon, metal, sulfides small silicate grains along grain boundaries less than 10% by volumeolivine-pigeonite about 90% by volumeoften minerals not found on Earthshock melted meteoritevisible via dark matrix outlining relict grain boundaries of large, elongate grains, and a common preferred orientation of grains within relict domains -has source: Berkley JL, Taylor GJ, Keil K. Harlow GE, Prinz M 1980, Geochim Cosmochim Acta 44, 1579 -has URL: http://adsabs.harvard.edu/cgi-bin/bib_query?1980GeCoA..44.1579B6 (out of date)asteroiddirectly proportional to initial velocity100 GPa or greatervery slow    much less than 1 mm coarse-grained granular
Haverowhich depends on its compositionBerkley et. al (1980)olivine, pyroxene (some combination of pigeonite, orthopyroxene, augite)shock meltedshock meltedmeteorite fallno chondrulesduring meteor phase which depends on compositionreduced rims contacting carbonaceous matrix material 0.1 mm FeO-free olivine and/or enstatite rims riddled with tiny inclusions of low-Ni metalrecorded by eyewitness or instrumentsshock metamorphismmottled by melt glasspartial melting residuecooling in deep underground chambersdiamonds and/or lonsdaleiteFo% 79completely shattered or mosaicizedwhat witnesses saw or what was recorded by instrumentsnegligible due to quick recovery of meteorite before corrosion beginsAURE mosaicizedhigher because the fall was witnessed485755 kgcarbon, metal, sulfides small silicate grains along grain boundaries less than 10% by volumeolivine-pigeonite about 90% by volumeoften minerals not found on Earth visible via dark matrix outlining relict grain boundaries of large, elongate grains, and a common preferred orientation of grains within relict domains -has source: Berkley JL, Taylor GJ, Keil K. Harlow GE, Prinz M 1980, Geochim Cosmochim Acta 44, 1579 -has URL: http://adsabs.harvard.edu/cgi-bin/bib_query?1980GeCoA..44.1579B1691meteoroid from interplanetary space or fragment dislodged from another planet, moon or planetesimaldirectly proportional to initial velocity100 GPa or greatervery slow0 %Wo% 2.5 En% 81 clinobronzite curved meeting in triple junctionsmuch less than 1 mm0.17 in modal pyroxene/(pryroxene+olivine)coarse-grained granular

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