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rock > igneous rock > differentiated meteorite > differentiated achondrite > asteroidal achondrite > ureilite > monomict ureilite > LEW 88772
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LEW 88772 comparison table
Subject has weather resistance has reference has minerology is an instance of has distinguishing feature has fragmentation probability has olivine grain characteristic has likely origin has solidification mechanism has olivine composition 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 find date has number of find has origin has ablative mass loss has solidification timescale has plagioclase has pigeonite composition has definition has intergranular boundary has gain size has petrology
meteorite findwhich depends on its composition    during meteor phase which depends on composition    can be severe due to long exposure time to environmental corrosion agents   lower because the fall was not witnessed485755 kg  often minerals not found on Earthmeteoritewhen the meteorite was found1691meteoroid from interplanetary space or fragment dislodged from another planet, moon or planetesimaldirectly proportional to initial velocity   a meteorite whose fall was not witnessed   
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 metalpartial 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in deep underground chambers  AURE7.1 % of meteorite fallslarge, anhedral olivine and pyroxene grains 9 kg (out of date)carbon, metal, sulfides small silicate grains along grain boundaries less than 10% by volumeolivine-pigeonite about 90% by volumesilicates (with very few exceptions)ureilite 6 (out of date)asteroidhigh because it is more friable than iron meteoritevery slow0 %  curved meeting in triple junctions1 mmcoarse-grained granular
LEW 88772which depends on its compositionAMN 16-1olivine, pyroxene (some combination of pigeonite, orthopyroxene, augite)meteorite findno 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 metalpartial melting residuecooling in deep underground chambersFo% 84can be severe due to long exposure time to environmental corrosion agentsAURE large, anhedral olivine and pyroxene grainslower because the fall was not 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 when the meteorite was found1691meteoroid from interplanetary space or fragment dislodged from another planet, moon or planetesimaldirectly proportional to initial velocityvery slow0 %Wo% 11 En% 78 curved meeting in triple junctions1 mmcoarse-grained granular

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