Y-8451 Comparison Table

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rock > igneous rock > differentiated meteorite > metal-rich meteorite > stony iron meteorite > pallasite > pyroxene grouplet pallasite > Y-8451

Next Antarctic meteorite: ALH 84001 Up: Antarctic meteorite, pyroxene grouplet pallasite Previous Antarctic meteorite: Y 793605

Y-8451 comparison table

Subject is an instance of has chromite content has distinguishing feature has olivine magnesium content has olivine SiO2 content has olivine grain shape has olivine content has fall location has olivine MgO content has metal content has formation cooling rate has name has olivine crystal distribution parent body radiu has letter designation has relative abundance has total mass of find has phosphate content has olivine CaO content has troilite content has composition is a kind of has olivine grain size has olivine MnO content has nickel content has find date has olivine Cr2O3 content has olivine FeO content has number of find has origin has olivine Fe/Mn ratio has pyroxene content

Antarctic meteorite indicated by letters in the beginning of name 3 or 4 letter contracted from find location then last two digits of year then id number 485755 kg often minerals not found on Earth meteorite recovery year is first 2 numbers in name 1691 meteoroid from interplanetary space or fragment dislodged from another planet, moon or planetesimal

pyroxene grouplet pallasite 1 % or less by volume large mm sized pyroxene crystals poikilitically containing small olivine grains from angular fragments to rounded 35 to 85 % by volume strewn fields, elongated footprints which depends on impact angle, airbursts, and impact velocity higher than that of average solar system material 2.5 to 4 degrees C per million years based on the locale, region, or nearby town in which the fall occurred from homogeneous to heterogeneous 78 to 97 kilometers PAL 1.5 % of meteorite falls 7207 kg 1 % or less by volume metallic iron plus olivine; core/mantle boundary samples pallasite typically one centimeter always greater than 4 % 33 planet or asteroid much larger than 100 km in diameter

Y-8451 Antarctic meteorite 1 % or less by volume large mm sized pyroxene crystals poikilitically containing small olivine grains 89.6 mg# or 100 * Mg/(Mg + Fe) 40.2 % by weight from angular fragments to rounded 55 to 63 % by volume indicated by letters in the beginning of name 49.1 % by weight 30 to 43 % by volume 2.5 to 4 degrees C per million years 3 or 4 letter contracted from find location then last two digits of year then id number from homogeneous to heterogeneous 78 to 97 kilometers PAL 485755 kg 1 % or less by volume 0.05 % by weight 1 % by volume often minerals not found on Earth typically one centimeter 0.37 % by weight always greater than 4 % recovery year is first 2 numbers in name 0.08 % by weight 10.2 % by weight 1691 meteoroid from interplanetary space or fragment dislodged from another planet, moon or planetesimal 27 1 to 3 % by volume

Next Antarctic meteorite: ALH 84001 Up: Antarctic meteorite, pyroxene grouplet pallasite Previous Antarctic meteorite: Y 793605

Subject	is an instance of	has chromite content	has distinguishing feature	has olivine magnesium content	has olivine SiO2 content	has olivine grain shape	has olivine content	has fall location	has olivine MgO content	has metal content	has formation cooling rate	has name	has olivine crystal distribution	parent body radiu	has letter designation	has relative abundance	has total mass of find	has phosphate content	has olivine CaO content	has troilite content	has composition	is a kind of	has olivine grain size	has olivine MnO content	has nickel content	has find date	has olivine Cr2O3 content	has olivine FeO content	has number of find	has origin	has olivine Fe/Mn ratio	has pyroxene content
Antarctic meteorite								indicated by letters in the beginning of name				3 or 4 letter contracted from find location then last two digits of year then id number					485755 kg				often minerals not found on Earth	meteorite				recovery year is first 2 numbers in name			1691	meteoroid from interplanetary space or fragment dislodged from another planet, moon or planetesimal
pyroxene grouplet pallasite		1 % or less by volume	large mm sized pyroxene crystals poikilitically containing small olivine grains			from angular fragments to rounded	35 to 85 % by volume	strewn fields, elongated footprints which depends on impact angle, airbursts, and impact velocity		higher than that of average solar system material	2.5 to 4 degrees C per million years	based on the locale, region, or nearby town in which the fall occurred	from homogeneous to heterogeneous	78 to 97 kilometers	PAL	1.5 % of meteorite falls	7207 kg	1 % or less by volume			metallic iron plus olivine; core/mantle boundary samples	pallasite	typically one centimeter		always greater than 4 %				33	planet or asteroid much larger than 100 km in diameter
Y-8451	Antarctic meteorite	1 % or less by volume	large mm sized pyroxene crystals poikilitically containing small olivine grains	89.6 mg# or 100 * Mg/(Mg + Fe)	40.2 % by weight	from angular fragments to rounded	55 to 63 % by volume	indicated by letters in the beginning of name	49.1 % by weight	30 to 43 % by volume	2.5 to 4 degrees C per million years	3 or 4 letter contracted from find location then last two digits of year then id number	from homogeneous to heterogeneous	78 to 97 kilometers	PAL		485755 kg	1 % or less by volume	0.05 % by weight	1 % by volume	often minerals not found on Earth		typically one centimeter	0.37 % by weight	always greater than 4 %	recovery year is first 2 numbers in name	0.08 % by weight	10.2 % by weight	1691	meteoroid from interplanetary space or fragment dislodged from another planet, moon or planetesimal	27	1 to 3 % by volume