Subject |
has weather resistance |
has shock texture |
has reference |
has minerology |
has degree of shock metamorphism |
has shock stage |
is an instance of |
has distinguishing feature |
has fragmentation probability |
has fall location |
has olivine grain characteristic |
has pyroxene shock metamorphism |
has metamorphism mechanism |
has likely origin |
has solidification mechanism |
has name |
has shock diagnostic mineral |
has olivine composition |
has olivine shock metamorphism |
has weather |
has letter designation |
has relative abundance |
has texture |
has value |
has total mass of find |
has matrix composition |
has fall coordinate |
has characteristic mineral |
has composition |
is a kind of |
has find date |
has mass |
has image |
has augite composition |
has number of find |
has origin |
has ablative mass loss |
has shock pressure |
has solidification timescale |
has plagioclase |
has pigeonite composition |
has intergranular boundary |
has definition |
has gain size |
has petrology |
medium shock ureilite | which depends on its composition | greater extent of fracturing, undulatory extinction, and kink banding | | olivine, pyroxene (some combination of pigeonite, orthopyroxene, augite) | medium | S4-S6 | | no chondrules | during meteor phase which depends on composition | strewn fields, elongated footprints which depends on impact angle, airbursts, and impact velocity | reduced rims contacting carbonaceous matrix material 0.1 mm FeO-free olivine and/or enstatite rims riddled with tiny inclusions of low-Ni metal | may be cloudy due to glassy inclusions | shock metamorphism | partial melting residue | cooling in deep underground chambers | based on the locale, region, or nearby town in which the fall occurred | diamonds and/or lonsdaleite | | sub-grain boundaries may be prominent | | AURE | | | | 9 kg (out of date) | carbon, metal, sulfides small silicate grains along grain boundaries less than 10% by volume | in degrees, minutes and seconds of lattitude and longitude | olivine-pigeonite about 90% by volume | often minerals not found on Earth | S6 shock stage meteorite | | | | | 6 (out of date) | asteroid | directly proportional to initial velocity | from 20 GPa to 100 GPa | very slow | | | | | | coarse-grained granular |
meteorite find | which depends on its composition | | | | | | | | during meteor phase which depends on composition | strewn fields, elongated footprints which depends on impact angle, airbursts, and impact velocity | | | | | | based on the locale, region, or nearby town in which the fall occurred | | | | can be severe due to long exposure time to environmental corrosion agents | | | | lower because the fall was not witnessed | 485755 kg | | in degrees, minutes and seconds of lattitude and longitude | | 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 | | |
monomict ureilite | low | | | olivine, pyroxene (some combination of pigeonite, orthopyroxene, augite) | | | | no chondrules | high because it is more friable than iron meteorite | strewn fields, elongated footprints which depends on impact angle, airbursts, and impact velocity | 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 | based on the locale, region, or nearby town in which the fall occurred | | | | | 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 | in degrees, minutes and seconds of lattitude and longitude | 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 |
Hajma | which depends on its composition | greater extent of fracturing, undulatory extinction, and kink banding | Hutchison (1977) | olivine, pyroxene (some combination of pigeonite, orthopyroxene, augite) | medium | S4-S6 | meteorite find | no chondrules | during meteor phase which depends on composition | Hajmah, Oman | reduced rims contacting carbonaceous matrix material 0.1 mm FeO-free olivine and/or enstatite rims riddled with tiny inclusions of low-Ni metal | may be cloudy due to glassy inclusions | shock metamorphism | partial melting residue | cooling in deep underground chambers | Hajmah | diamonds and/or lonsdaleite | Fo% 85 | sub-grain boundaries may be prominent | can be severe due to long exposure time to environmental corrosion agents | AURE | | large, anhedral olivine and pyroxene grains | lower because the fall was not witnessed | 485755 kg | carbon, metal, sulfides small silicate grains along grain boundaries less than 10% by volume | 19° 55' N., 56° 15' E. | olivine-pigeonite about 90% by volume | often minerals not found on Earth | | 1958 | 0.596 kg |
 | Wo% En% | 1691 | meteoroid from interplanetary space or fragment dislodged from another planet, moon or planetesimal | directly proportional to initial velocity | from 20 GPa to 100 GPa | very slow | 0 % | Wo% 9.0 En% 78 | curved meeting in triple junctions | | 1 mm | coarse-grained granular |