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 fall | which depends on its composition | | | | | | | during meteor phase which depends on composition | | recorded by eyewitness or instruments | | | | | | | | what witnesses saw or what was recorded by instruments | negligible due to quick recovery of meteorite before corrosion begins | | | | higher because the fall was witnessed | 485755 kg | | | often minerals not found on Earth | meteorite | | 1691 | meteoroid from interplanetary space or fragment dislodged from another planet, moon or planetesimal | directly proportional to initial velocity | | | | | a meteorite whose fall was witnessed by human or electronic means | | | | |
monomict 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 | recorded by eyewitness or inferred from dating methods | | | partial melting residue | cooling in deep underground chambers | | | | | | AURE | 7.1 % of meteorite falls | large, anhedral olivine and pyroxene grains | | 9 kg (out of date) | carbon, metal, sulfides small silicate grains along grain boundaries less than 10% by volume | olivine-pigeonite about 90% by volume | silicates (with very few exceptions) | ureilite | | 6 (out of date) | asteroid | high because it is more friable than iron meteorite | | very slow | 0 % | | | curved meeting in triple junctions | 1 mm | | coarse-grained granular |
mosaicized ureilite | which depends on its composition | | olivine, pyroxene (some combination of pigeonite, orthopyroxene, augite) | shock melted | shock melted | | 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 | recorded by eyewitness or inferred from dating methods | shock metamorphism | mottled by melt glass | partial melting residue | cooling in deep underground chambers | diamonds 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 volume | olivine-pigeonite about 90% by volume | often minerals not found on Earth | shock melted meteorite | 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..44.1579B | 6 (out of date) | asteroid | directly proportional to initial velocity | 100 GPa or greater | very slow | | | | | much less than 1 mm | | coarse-grained granular |
Havero | which depends on its composition | Berkley et. al (1980) | olivine, pyroxene (some combination of pigeonite, orthopyroxene, augite) | shock melted | shock melted | meteorite fall | 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 | recorded by eyewitness or instruments | shock metamorphism | mottled by melt glass | partial melting residue | cooling in deep underground chambers | diamonds and/or lonsdaleite | Fo% 79 | completely shattered or mosaicized | what witnesses saw or what was recorded by instruments | negligible due to quick recovery of meteorite before corrosion begins | AURE | | mosaicized | higher because the fall was witnessed | 485755 kg | 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 | | 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..44.1579B | 1691 | meteoroid from interplanetary space or fragment dislodged from another planet, moon or planetesimal | directly proportional to initial velocity | 100 GPa or greater | very slow | 0 % | Wo% 2.5 En% 81 clinobronzite | | curved meeting in triple junctions | much less than 1 mm | 0.17 in modal pyroxene/(pryroxene+olivine) | coarse-grained granular |