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rock > metamorphic rock > altered chondrite > shocked chondrite > S2 shock stage chondrite > DaG 275
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DaG 275 comparison table
Subject has part mean Ni content of sulfide has weather resistance has part carbon has alteration temperature range has olivine shock metamorphism has part matrix has prototype is independent of has shock pressure has acronym has matrix abundance has sediment mechanism has image has weather has distinguishing feature 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 weathering stage is a kind of has chondrule glass type has age has part sulfide Ni content has part maximum bulk Ni in metal has number of find has petrologic type has find date has part water has degree of thermal metamorphism has orthopyroxene shock metamorphism has plagioclase shock metamorphism has degree of shock metamorphism 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 petrologic type range
CK4 chondritein weight %lowless than 0.2 % by weightthe range over at which the alteration took place transparent, recrystallized, small crystals??? meteorite   75 % by volumeagglomeration of particles, many of which record individual, diverse histories  elemental carbonproviding insight into geological evolution of parent asteroidsecondary, grains than 2 microns0.01 % by volume4 % by volume8 % of meteorite fallshigh because it is more friable than iron meteorite0.7 millimetersthermal metamorphism type 4 chondritedevitrified, absentoldest and most primitive rock in solar systemless than 0.5 % by weightgreater than 20 % by weight, kamacite and taenite in exsolution relationship364 less than 1.5 % by weightweak   rare relative to other chondrite typesless 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 heregreater than 20 % monoclinic in degrees, minutes and seconds of lattitude and longitudeless than 5 % mean deviationshigh because it is more friable than iron meteorite2577 kg15 % by volumeasteroid smaller than 100 km in diameterchondrules well definedwhich depends on degree of aqueous alteration and thermal metamorphism
Dar al Gani meteorite which depends on its composition       DaG   can be severe due to long exposure time to environmental corrosion agents      during meteor phase which depends on composition   Sahara meteorite    1691 when the meteorite was found        based on the locale, region, or nearby town in which the fall occurred Dar al Gani plateau, Libyan Sahara Desert     lower because the fall was not witnessedin degrees, minutes and seconds of lattitude and longitude directly proportional to initial velocity485755 kg    
S2 shock stage chondritein weight %which depends on its compositionin weight % undulatory extinction, irregular fracturesfine grained disequilibrium mixture of silicates, oxides, metal, sulfides and organic constituents the nature and degree of thermal metamorphism or aqueous alteration5 to 10 GPa in volume %agglomeration of particles, many of which record individual, diverse histories   providing insight into geological evolution of parent asteroidusually plagioclase tectosilicatein volume %in volume % during meteor phase which depends on compositionmillimetersshock metamorphism S2 shock stage meteorite oldest and most primitive rock in solar system  1691  in weight % undulatory extinction, irregular fractures, some planar fracturesundulatory extinction, irregular fracturesvery weakly shocked less than 950 degree Celsius during its entire history since solidificationorthopyroxene for enstatite chondritebased on the locale, region, or nearby town in which the fall occurredbefore, during or after other types of metamorphismstrewn fields, elongated footprints which depends on impact angle, airbursts, and impact velocity S2in weight %definition goes heredefinition goes here in degrees, minutes and seconds of lattitude and longitude directly proportional to initial velocity485755 kgin volume %asteroid smaller than 100 km in diametersmall sphere of about 1 mm diameter of formerly melted mineralswhich depends on degree of aqueous alteration and thermal metamorphism
DaG 275in weight %which depends on its compositionless than 0.2 % by weightthe range over at which the alteration took placeundulatory extinction, irregular fracturestransparent, recrystallized, small crystals??? meteoritethe nature and degree of thermal metamorphism or aqueous alteration5 to 10 GPaDaG75 % by volumeagglomeration of particles, many of which record individual, diverse histories
can be severe due to long exposure time to environmental corrosion agentselemental carbonproviding insight into geological evolution of parent asteroidsecondary, grains than 2 microns0.01 % by volume4 % by volume during meteor phase which depends on composition0.7 millimetersshock metamorphismW4 devitrified, absentoldest and most primitive rock in solar systemless than 0.5 % by weightgreater than 20 % by weight, kamacite and taenite in exsolution relationship169141997less than 1.5 % by weightweakundulatory extinction, irregular fractures, some planar fracturesundulatory extinction, irregular fracturesvery weakly shockedrare relative to other chondrite typesless than 950 degree Celsius during its entire history since solidificationorthopyroxene for enstatite chondriteDaG 275before, during or after other types of metamorphismDar al Gani plateau, Libyan Sahara DesertS2 shock stage chondriteS2in weight %definition goes heregreater than 20 % monocliniclower because the fall was not witnessed27° 21.74' N., 16° 05.38' E.less than 5 % mean deviationsdirectly proportional to initial velocity485755 kg15 % by volumeasteroid smaller than 100 km in diameterchondrules well definedwhich depends on degree of aqueous alteration and thermal metamorphism

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