Portales Valley Comparison Table

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Next H6 chondrite: ALH 88119 Up: H6 chondrite, meteorite fall, S1 shock stage chondrite Previous H6 chondrite: Peekskill

Portales Valley comparison table

Subject has part mean Ni content of sulfide has weather resistance has part carbon has synonym has alteration temperature range has olivine shock metamorphism has part matrix is independent of has shock pressure has matrix abundance has sediment mechanism has image has weather has degree of secondary process has part feldspar has metal abundance has refractory inclusion abundance has relative abundance has fragmentation probability has chondrule mean diameter has metamorphism mechanism has fall date has fall description is a kind of has chondrule glass type has age has part sulfide Ni content has part maximum bulk Ni in metal has total iron content has definition has number of find has petrologic type has part water has degree of thermal metamorphism has orthopyroxene shock metamorphism has plagioclase shock metamorphism has iron metal and iron sulfide has degree of shock metamorphism has mass has abundance has peak temperature has shock diagnostic mineral has name be shock has fall location is an instance of has shock stage has part metal maximum bulk has homogeneity of olivine and low Ca pyroxene has structural state of low Ca pyroxene has value has fall coordinate has olivine and low Ca pyroxene homogeneity has ablative mass loss has total mass of find has chondrule abundance has parent body has part chondrule has metal iron content has petrologic type range

H6 chondrite in weight % low less than 0.2 % by weight bronzite chondrite 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 10 % by volume 0.1 to 1 % by volume 85.7 % of meteorite falls high because it is more friable than iron meteorite 0.3 millimeters thermal metamorphism recorded by eyewitness or inferred from dating methods type 6 chondrite 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 high 44 6 less than 1.5 % by weight strong 75 % 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 strewn fields, elongated footprints which depends on impact angle, airbursts, and impact velocity in weight % definition goes here orthorhombic in degrees, minutes and seconds of lattitude and longitude homogeneous high because it is more friable than iron meteorite 11357 kg 60 to 80 % by volume asteroid smaller than 100 km in diameter chondrules poorly defined 12 to 21 % which depends on degree of aqueous alteration and thermal metamorphism

meteorite fall which depends on its composition negligible due to quick recovery of meteorite before corrosion begins during meteor phase which depends on composition recorded by eyewitness or instruments what witnesses saw or what was recorded by instruments meteorite a meteorite whose fall was witnessed by human or electronic means 1691 based on the locale, region, or nearby town in which the fall occurred strewn fields, elongated footprints which depends on impact angle, airbursts, and impact velocity higher because the fall was witnessed in degrees, minutes and seconds of lattitude and longitude directly proportional to initial velocity 485755 kg

S1 shock stage chondrite in weight % which depends on its composition in weight % sharp optical 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 less than 5 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 % during meteor phase which depends on composition millimeters shock metamorphism recorded by eyewitness or inferred from dating methods S1 shock stage meteorite oldest and most primitive rock in solar system 1691 in weight % sharp optical extinction, irregular fractures sharp optical extinction, irregular fractures unshocked 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 strewn fields, elongated footprints which depends on impact angle, airbursts, and impact velocity S1 in weight % definition goes here definition goes here in degrees, minutes and seconds of lattitude and longitude directly proportional to initial velocity 485755 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

Portales Valley in weight % which depends on its composition less than 0.2 % by weight bronzite chondrite the range over at which the alteration took place sharp optical extinction, irregular fractures transparent, recrystallized, coarse crystals the nature and degree of thermal metamorphism or aqueous alteration less than 5 GPa 10 to 15 % by volume agglomeration of particles, many of which record individual, diverse histories
negligible due to quick recovery of meteorite before corrosion begins providing insight into geological evolution of parent asteroid secondary, grains greater than 50 microns 10 % by volume 0.1 to 1 % by volume during meteor phase which depends on composition 0.3 millimeters shock metamorphism 7:32 am June 13, 1998 what witnesses saw or what was recorded by instruments 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 high 44 6 less than 1.5 % by weight strong sharp optical extinction, irregular fractures sharp optical extinction, irregular fractures 75 % of total iron unshocked 80 kg most common chondrite observed from falls less than 950 degree Celsius during its entire history since solidification orthopyroxene for enstatite chondrite Portales Valley before, during or after other types of metamorphism eastern New Mexico S1 shock stage chondrite S1 in weight % definition goes here orthorhombic higher because the fall was witnessed 34° 10.5' N., 103° 17.7' W. homogeneous directly proportional to initial velocity 11357 kg 60 to 80 % by volume asteroid smaller than 100 km in diameter chondrules poorly defined 12 to 21 % which depends on degree of aqueous alteration and thermal metamorphism

Next H6 chondrite: ALH 88119 Up: H6 chondrite, meteorite fall, S1 shock stage chondrite Previous H6 chondrite: Peekskill

Subject	has part mean Ni content of sulfide	has weather resistance	has part carbon	has synonym	has alteration temperature range	has olivine shock metamorphism	has part matrix	is independent of	has shock pressure	has matrix abundance	has sediment mechanism	has image	has weather	has degree of secondary process	has part feldspar	has metal abundance	has refractory inclusion abundance	has relative abundance	has fragmentation probability	has chondrule mean diameter	has metamorphism mechanism	has fall date	has fall description	is a kind of	has chondrule glass type	has age	has part sulfide Ni content	has part maximum bulk Ni in metal	has total iron content	has definition	has number of find	has petrologic type	has part water	has degree of thermal metamorphism	has orthopyroxene shock metamorphism	has plagioclase shock metamorphism	has iron metal and iron sulfide	has degree of shock metamorphism	has mass	has abundance	has peak temperature	has shock diagnostic mineral	has name	be shock	has fall location	is an instance of	has shock stage	has part metal maximum bulk	has homogeneity of olivine and low Ca pyroxene	has structural state of low Ca pyroxene	has value	has fall coordinate	has olivine and low Ca pyroxene homogeneity	has ablative mass loss	has total mass of find	has chondrule abundance	has parent body	has part chondrule	has metal iron content	has petrologic type range
H6 chondrite	in weight %	low	less than 0.2 % by weight	bronzite chondrite	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	10 % by volume	0.1 to 1 % by volume	85.7 % of meteorite falls	high because it is more friable than iron meteorite	0.3 millimeters	thermal metamorphism	recorded by eyewitness or inferred from dating methods		type 6 chondrite	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	high		44	6	less than 1.5 % by weight	strong			75 % 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		strewn fields, elongated footprints which depends on impact angle, airbursts, and impact velocity			in weight %	definition goes here	orthorhombic		in degrees, minutes and seconds of lattitude and longitude	homogeneous	high because it is more friable than iron meteorite	11357 kg	60 to 80 % by volume	asteroid smaller than 100 km in diameter	chondrules poorly defined	12 to 21 %	which depends on degree of aqueous alteration and thermal metamorphism
meteorite fall		which depends on its composition											negligible due to quick recovery of meteorite before corrosion begins						during meteor phase which depends on composition			recorded by eyewitness or instruments	what witnesses saw or what was recorded by instruments	meteorite						a meteorite whose fall was witnessed by human or electronic means	1691												based on the locale, region, or nearby town in which the fall occurred		strewn fields, elongated footprints which depends on impact angle, airbursts, and impact velocity						higher because the fall was witnessed	in degrees, minutes and seconds of lattitude and longitude		directly proportional to initial velocity	485755 kg
S1 shock stage chondrite	in weight %	which depends on its composition	in weight %			sharp optical 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	less than 5 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 %		during meteor phase which depends on composition	millimeters	shock metamorphism	recorded by eyewitness or inferred from dating methods		S1 shock stage meteorite		oldest and most primitive rock in solar system					1691		in weight %		sharp optical extinction, irregular fractures	sharp optical extinction, irregular fractures		unshocked			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	strewn fields, elongated footprints which depends on impact angle, airbursts, and impact velocity		S1	in weight %	definition goes here	definition goes here		in degrees, minutes and seconds of lattitude and longitude		directly proportional to initial velocity	485755 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
Portales Valley	in weight %	which depends on its composition	less than 0.2 % by weight	bronzite chondrite	the range over at which the alteration took place	sharp optical extinction, irregular fractures	transparent, recrystallized, coarse crystals	the nature and degree of thermal metamorphism or aqueous alteration	less than 5 GPa	10 to 15 % by volume	agglomeration of particles, many of which record individual, diverse histories		negligible due to quick recovery of meteorite before corrosion begins	providing insight into geological evolution of parent asteroid	secondary, grains greater than 50 microns	10 % by volume	0.1 to 1 % by volume		during meteor phase which depends on composition	0.3 millimeters	shock metamorphism	7:32 am June 13, 1998	what witnesses saw or what was recorded by instruments		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	high		44	6	less than 1.5 % by weight	strong	sharp optical extinction, irregular fractures	sharp optical extinction, irregular fractures	75 % of total iron	unshocked	80 kg	most common chondrite observed from falls	less than 950 degree Celsius during its entire history since solidification	orthopyroxene for enstatite chondrite	Portales Valley	before, during or after other types of metamorphism	eastern New Mexico	S1 shock stage chondrite	S1	in weight %	definition goes here	orthorhombic	higher because the fall was witnessed	34° 10.5' N., 103° 17.7' W.	homogeneous	directly proportional to initial velocity	11357 kg	60 to 80 % by volume	asteroid smaller than 100 km in diameter	chondrules poorly defined	12 to 21 %	which depends on degree of aqueous alteration and thermal metamorphism