Y-74154 Comparison Table

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rock > igneous rock > differentiated meteorite > differentiated achondrite > asteroidal achondrite > ureilite > mosaicized ureilite > Y-74154

Next meteorite find: Y-74659 Up: meteorite find, mosaicized ureilite Previous meteorite find: Y-74130

Y-74154 comparison table

Subject has reference has minerology has degree of shock metamorphism has shock stage is an instance of has distinguishing feature has olivine grain characteristic 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 weather has letter designation has texture has value has total mass of find has matrix composition has characteristic mineral is a kind of has find date has original texture has number of find has origin has shock pressure has solidification timescale has pigeonite composition has definition has gain size has petrology

meteorite find can be severe due to long exposure time to environmental corrosion agents lower because the fall was not witnessed 485755 kg meteorite when the meteorite was found 1691 meteoroid from interplanetary space or fragment dislodged from another planet, moon or planetesimal a meteorite whose fall was not witnessed

mosaicized ureilite olivine, pyroxene (some combination of pigeonite, orthopyroxene, augite) shock melted shock melted no chondrules reduced rims contacting carbonaceous matrix material 0.1 mm FeO-free olivine and/or enstatite rims riddled with tiny inclusions of low-Ni metal 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in deep underground chambers diamonds and/or lonsdaleite completely shattered or mosaicized AURE mosaicized 9 kg (out of date) carbon, metal, sulfides small silicate grains along grain boundaries less than 10% by volume olivine-pigeonite about 90% by volume shock melted meteorite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M 1980, Geochim Cosmochim Acta 44, 1579 -has URL: http://adsabs.harvard.edu/cgi-bin/bib_query?1980GeCoA..44.1579B 6 (out of date) asteroid 100 GPa or greater very slow much less than 1 mm coarse-grained granular

Y-74154 Yanai and Kojima (1995b) olivine, pyroxene (some combination of pigeonite, orthopyroxene, augite) shock melted shock melted meteorite find no chondrules reduced rims contacting carbonaceous matrix material 0.1 mm FeO-free olivine and/or enstatite rims riddled with tiny inclusions of low-Ni metal shock metamorphism mottled by melt glass partial melting residue cooling in deep underground chambers diamonds and/or lonsdaleite Fo% 84 completely shattered or mosaicized can be severe due to long exposure time to environmental corrosion agents AURE mosaicized lower because the fall was not witnessed 485755 kg carbon, metal, sulfides small silicate grains along grain boundaries less than 10% by volume olivine-pigeonite about 90% by volume when the meteorite was found 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 100 GPa or greater very slow Wo% 8.1 En% 79 variable due to interstitial or shock melts much less than 1 mm coarse-grained granular

Next meteorite find: Y-74659 Up: meteorite find, mosaicized ureilite Previous meteorite find: Y-74130

Subject	has reference	has minerology	has degree of shock metamorphism	has shock stage	is an instance of	has distinguishing feature	has olivine grain characteristic	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 weather	has letter designation	has texture	has value	has total mass of find	has matrix composition	has characteristic mineral	is a kind of	has find date	has original texture	has number of find	has origin	has shock pressure	has solidification timescale	has pigeonite composition	has definition	has gain size	has petrology
meteorite find															can be severe due to long exposure time to environmental corrosion agents			lower because the fall was not witnessed	485755 kg			meteorite	when the meteorite was found		1691	meteoroid from interplanetary space or fragment dislodged from another planet, moon or planetesimal				a meteorite whose fall was not witnessed
mosaicized ureilite		olivine, pyroxene (some combination of pigeonite, orthopyroxene, augite)	shock melted	shock melted		no chondrules	reduced rims contacting carbonaceous matrix material 0.1 mm FeO-free olivine and/or enstatite rims riddled with tiny inclusions of low-Ni metal	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	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	100 GPa or greater	very slow			much less than 1 mm	coarse-grained granular
Y-74154	Yanai and Kojima (1995b)	olivine, pyroxene (some combination of pigeonite, orthopyroxene, augite)	shock melted	shock melted	meteorite find	no chondrules	reduced rims contacting carbonaceous matrix material 0.1 mm FeO-free olivine and/or enstatite rims riddled with tiny inclusions of low-Ni metal	shock metamorphism	mottled by melt glass	partial melting residue	cooling in deep underground chambers	diamonds and/or lonsdaleite	Fo% 84	completely shattered or mosaicized	can be severe due to long exposure time to environmental corrosion agents	AURE	mosaicized	lower because the fall was not witnessed	485755 kg	carbon, metal, sulfides small silicate grains along grain boundaries less than 10% by volume	olivine-pigeonite about 90% by volume		when the meteorite was found	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	100 GPa or greater	very slow	Wo% 8.1 En% 79 variable due to interstitial or shock melts		much less than 1 mm	coarse-grained granular