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Hammadah al Hamra meteorite comparison table

Subject	has part mean Ni content of sulfide	has solidification timescale	has part carbon	has synonym	has alteration temperature range	has olivine shock metamorphism	has part matrix	has prototype	is independent of	has shock pressure	has matrix abundance	has shock texture	has letter designation	has orthopyroxene composition	has pyroxene shock metamorphism	has sediment mechanism	has likely origin	has olivine composition	has pigeonite composition	has inclusion minerology	has image	has distinguishing feature	has degree of secondary process	has part feldspar	has metal abundance	has refractory inclusion abundance	has relative abundance	has solidification mechanism	has chondrule mean diameter	has petrology	has intergranular boundary	has metamorphism mechanism	has weathering stage	has chondrule glass type	has age	has number of fragment	has oxidation state	has part sulfide Ni content	has part maximum bulk Ni in metal	has total iron content	has number of find	has petrologic type	has find date	has comment	has part water	has plagioclase	has orthopyroxene shock metamorphism	has plagioclase shock metamorphism	has degree of thermal metamorphism	has iron metal and iron sulfide	has characteristic mineral	has degree of shock metamorphism	has mass	has abundance	has peak temperature	has augite composition	has shock diagnostic mineral	has name	be shock	is an instance of	has reference	has pyroxene content	has pyroxene composition	has shock stage	has part metal maximum bulk	has homogeneity of olivine and low Ca pyroxene	has curation location	has gain size	has composition	has structural state of low Ca pyroxene	has matrix composition	has minerology	has fall coordinate	has olivine and low Ca pyroxene homogeneity	has total mass of find	has chondrule abundance	has parent body	has part chondrule	has metal iron content	has texture	has olivine grain characteristic	classified by	has petrologic type range
HaH 046	in weight %		less than 0.2 % by weight	amphoterite	the range over at which the alteration took place		transparent, recrystallized, coarse crystals				10 to 15 % by volume					agglomeration of particles, many of which record individual, diverse histories							providing insight into geological evolution of parent asteroid	secondary, grains greater than 50 microns	2 % by volume	0.1 to 1 % by volume			0.9 millimeters			thermal metamorphism		devitrified, absent	oldest and most primitive rock in solar system			less than 0.5 % by weight	greater than 20 % by weight, kamacite and taenite in exsolution relationship	low	20	6	when the meteorite was found		less than 1.5 % by weight				strong	20 % of total iron				most common chondrite observed from falls	less than 950 degree Celsius during its entire history since solidification			based on the locale, region, or nearby town in which the fall occurred		Hammadah al Hamra meteorite					in weight %	definition goes here			bronzite, olivine and minor oligoclase	orthorhombic			in degrees, minutes and seconds of lattitude and longitude	homogeneous	715 kg	60 to 80 % by volume	asteroid smaller than 100 km in diameter	chondrules poorly defined	about 2 %				which depends on degree of aqueous alteration and thermal metamorphism
HaH 064		very slow				sub-grain boundaries may be prominent				from 20 GPa to 100 GPa		greater extent of fracturing, undulatory extinction, and kink banding	AURE	Wo% 4.6 En% 77	may be cloudy due to glassy inclusions		partial melting residue	Fo% 78				no chondrules						cooling in deep underground chambers		coarse-grained granular		shock metamorphism									1691		when the meteorite was found								olivine-pigeonite about 90% by volume	medium				Wo% 32 En% 55	diamonds and/or lonsdaleite	based on the locale, region, or nearby town in which the fall occurred		meteorite find	Weber and Bischoff (1996), Weber and Bischoff (1998)	0.65 in modal pyroxene/(pryroxene+olivine)		S4-S6					often minerals not found on Earth		carbon, metal, sulfides small silicate grains along grain boundaries less than 10% by volume	olivine, pyroxene (some combination of pigeonite, orthopyroxene, augite)	in degrees, minutes and seconds of lattitude and longitude		485755 kg					bi-modal with extremely large 15mm crystals of low-Ca pyroxene poikilitically enclosing domains with ureilite texture	reduced rims contacting carbonaceous matrix material 0.1 mm FeO-free olivine and/or enstatite rims riddled with tiny inclusions of low-Ni metal
HaH 119	in weight %		less than 0.2 % by weight	rumurutiite	the range over at which the alteration took place	planar fractures, undulatory extinction, irregular fractures	transparent, recrystallized, small crystals	Rumuruti meteorite	the nature and degree of thermal metamorphism or aqueous alteration	15 to 20 GPa	36 % by volume					agglomeration of particles, many of which record individual, diverse histories							providing insight into geological evolution of parent asteroid	secondary, grains than 2 microns	0.1 % by volume	0 % by volume			0.4 millimeters			thermal metamorphism	W4	devitrified, absent	oldest and most primitive rock in solar system		highly oxidized	less than 0.5 % by weight	greater than 20 % by weight, kamacite and taenite in exsolution relationship		1691	4	April 1995	unbecciated	less than 1.5 % by weight		clinoenstatite lamellae on (100), undulatory extinction, planar fractures, irregular fractures	undulatory extinction	weak			weakly shocked	0.352 kg		less than 950 degree Celsius during its entire history since solidification		orthopyroxene for enstatite chondrite	HaH 119	before, during or after other types of metamorphism	S3 shock stage chondrite				S3	in weight %	definition goes here			enriched in 17O isotope	greater than 20 % monoclinic			28° 30.87' N., 12° 53.81' E.	less than 5 % mean deviations	485755 kg	greater than 40 % by volume	asteroid smaller than 100 km in diameter	chondrules well defined					which depends on degree of aqueous alteration and thermal metamorphism
HaH 126		very slow				sub-grain boundaries may be prominent				from 20 GPa to 100 GPa		greater extent of fracturing, undulatory extinction, and kink banding	AURE		may be cloudy due to glassy inclusions		partial melting residue	Fo% 79	Wo% 8.4 En% 74			no chondrules						cooling in deep underground chambers		coarse-grained granular	curved meeting in triple junctions	shock metamorphism									6 (out of date)		when the meteorite was found			0 %					olivine-pigeonite about 90% by volume	medium					diamonds and/or lonsdaleite	based on the locale, region, or nearby town in which the fall occurred		Hammadah al Hamra meteorite	Weber and Bischoff (1996), Sexton et al. (1996), Chikami et al. (1997b)	0.3 in modal pyroxene/(pryroxene+olivine)		S4-S6				1 mm	often minerals not found on Earth		carbon, metal, sulfides small silicate grains along grain boundaries less than 10% by volume	olivine, pyroxene (some combination of pigeonite, orthopyroxene, augite)	in degrees, minutes and seconds of lattitude and longitude		9 kg (out of date)					large, anhedral olivine and pyroxene grains	reduced rims contacting carbonaceous matrix material 0.1 mm FeO-free olivine and/or enstatite rims riddled with tiny inclusions of low-Ni metal
HaH 180	in weight %		in weight %			undulatory extinction, irregular fractures	fine grained disequilibrium mixture of silicates, oxides, metal, sulfides and organic constituents		the nature and degree of thermal metamorphism or aqueous alteration	5 to 10 GPa	in volume %					agglomeration of particles, many of which record individual, diverse histories							providing insight into geological evolution of parent asteroid	usually plagioclase tectosilicate	in volume %	in volume %	85.7 % of meteorite falls		millimeters			shock metamorphism	W4		oldest and most primitive rock in solar system						3		April 1996		in weight %		undulatory extinction, irregular fractures, some planar fractures	undulatory extinction, irregular fractures				very weakly shocked	0.936 kg		less than 950 degree Celsius during its entire history since solidification		orthopyroxene for enstatite chondrite	HaH 180	before, during or after other types of metamorphism	S2 shock stage chondrite				S2	in weight %	definition goes here			often minerals not found on Earth	definition goes here			28° 36.21' N., 13° 18.04' E.		27 kg	in volume %	asteroid smaller than 100 km in diameter	small sphere of about 1 mm diameter of formerly melted minerals					which depends on degree of aqueous alteration and thermal metamorphism
HaH 193								Winona meteorite		less than 5 GPa						agglomeration of particles, many of which record individual, diverse histories	ultrametamorphism, partial melting with some melt migration			troilite, metal, daubreilite, schreibersite, graphite		no chondrules								fine- to coarse-grained equigranular		shock metamorphism	W3		oldest and most primitive rock in solar system						1691		October 1996									unshocked	0.259 kg		less than 950 degree Celsius during its entire history since solidification			HaH 193		S1 shock stage meteorite				S1					IAB-silica related			olivine, orthopyroxene, clinopyroxene, metal with some troilite and some sodic plagioclase	28° 39.28' N., 13° 27.52' E.		485755 kg		asteroid smaller than 100 km in diameter
HaH 259	in weight %		less than 0.2 % by weight	bronzite chondrite	the range over at which the alteration took place		transparent, recrystallized, moderate size crystals				10 to 15 % by volume					agglomeration of particles, many of which record individual, diverse histories		Fa% 17.2					providing insight into geological evolution of parent asteroid	secondary, 2 to 50 micron grains	10 % by volume	0.1 to 1 % by volume			0.3 millimeters			thermal metamorphism		devitrified, absent	oldest and most primitive rock in solar system	17		less than 0.5 % by weight	greater than 20 % by weight, kamacite and taenite in exsolution relationship	high	76	5	1998		less than 1.5 % by weight				moderate	75 % of total iron			5.055 kg	most common chondrite observed from falls	less than 950 degree Celsius during its entire history since solidification			based on the locale, region, or nearby town in which the fall occurred		H5 chondrite			Fs% 15.4 Wo% 1.5		in weight %	definition goes here	DuPont collection		often minerals not found on Earth	less than 20 % monoclinic			28° 45' N. 11° 34' E.	homogeneous	1267 kg	60 to 80 % by volume	asteroid smaller than 100 km in diameter	chondrules readily delineated	12 to 21 %			Paul P. Sipiera, Planetary Studies Foundation, (Harper) Meteoritical Bulletin No 83	which depends on degree of aqueous alteration and thermal metamorphism
HaH 260	in weight %		less than 0.2 % by weight	hypersthene chondrite	the range over at which the alteration took place	planar fractures, undulatory extinction, irregular fractures	transparent, recrystallized, coarse crystals		the nature and degree of thermal metamorphism or aqueous alteration	15 to 20 GPa	10 to 15 % by volume					agglomeration of particles, many of which record individual, diverse histories		Fa% 25.9					providing insight into geological evolution of parent asteroid	secondary, grains greater than 50 microns	5 % by volume	0.1 to 1 % by volume			0.7 millimeters			thermal metamorphism	W1	devitrified, absent	oldest and most primitive rock in solar system	1		less than 0.5 % by weight	greater than 20 % by weight, kamacite and taenite in exsolution relationship	low	155	6	1998	has prominent regmaglypts	less than 1.5 % by weight		clinoenstatite lamellae on (100), undulatory extinction, planar fractures, irregular fractures	undulatory extinction	strong	50 % of total iron		weakly shocked	0.530 kg	most common chondrite observed from falls	less than 950 degree Celsius during its entire history since solidification		orthopyroxene for enstatite chondrite	based on the locale, region, or nearby town in which the fall occurred	before, during or after other types of metamorphism	L6 chondrite			Fs% 21.7	S3	in weight %	definition goes here			often minerals not found on Earth	orthorhombic			28° 36.78' N. 12° 56.83' E.	homogeneous	4673 kg	60 to 80 % by volume	asteroid smaller than 100 km in diameter	chondrules poorly defined	5 to 10 %			A. Sexton, Open University, UK. Meteoritical Bulletin No 84	which depends on degree of aqueous alteration and thermal metamorphism

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