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 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 pigeonite composition |
has definition |
has petrology |
meteorite find | which 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 witnessed | 485755 kg | | | often minerals not found on Earth | meteorite | when the meteorite was found | 1691 | meteoroid from interplanetary space or fragment dislodged from another planet, moon or planetesimal | directly proportional to initial velocity | | | a meteorite whose fall was not witnessed | |
ureilite | low | | olivine, pyroxene (some combination of pigeonite, orthopyroxene, augite) | | no chondrules | high because it is more friable than iron meteorite | reduced rims contacting carbonaceous matrix material 0.1 mm FeO-free olivine and/or enstatite rims riddled with tiny inclusions of low-Ni metal | partial melting residue | cooling in deep underground chambers | | | AURE | 7.1 % of meteorite falls | | 9 kg (out of date) | carbon, metal, sulfides small silicate grains along grain boundaries less than 10% by volume | olivine-pigeonite about 90% by volume | silicates (with very few exceptions) | ultramafic rock | | 6 (out of date) | asteroid | high because it is more friable than iron meteorite | very slow | | | coarse-grained granular |
LEW 87165 | which depends on its composition | AMN 12-1, AMN 13-1 | olivine, pyroxene (some combination of pigeonite, orthopyroxene, augite) | meteorite find | no chondrules | during meteor phase which depends on composition | reduced rims contacting carbonaceous matrix material 0.1 mm FeO-free olivine and/or enstatite rims riddled with tiny inclusions of low-Ni metal | partial melting residue | cooling in deep underground chambers | Fo% 85 | can be severe due to long exposure time to environmental corrosion agents | AURE | | lower because the fall was not witnessed | 9 kg (out of date) | carbon, metal, sulfides small silicate grains along grain boundaries less than 10% by volume | olivine-pigeonite about 90% by volume | often minerals not found on Earth | | when the meteorite was found | 6 (out of date) | meteoroid from interplanetary space or fragment dislodged from another planet, moon or planetesimal | directly proportional to initial velocity | very slow | Fs% 13 ? | | coarse-grained granular |