Meteorites   View all facts   Glossary   Help
rock > metamorphic rock > altered chondrite > shocked chondrite > S2 shock stage chondrite > Dag 633
Next Dar al Gani meteoriteDag 635    UpDar al Gani meteorite, LL5 chondrite, S2 shock stage chondrite    Previous Dar al Gani meteoriteDaG 632   

Dag 633 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 acronym has matrix abundance has sediment mechanism has olivine composition 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 weathering stage is a kind of has age has number of fragment 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 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 be shock has fall location is an instance of has pyroxene composition has shock stage has part metal maximum bulk has homogeneity of olivine and low Ca pyroxene has composition 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 classified by has petrologic type range
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            Dar al Gani plateau, Libyan Sahara Desert     often minerals not found on Earth lower because the fall was not witnessedin degrees, minutes and seconds of lattitude and longitude directly proportional to initial velocity485755 kg      
LL5 chondritein weight %lowless than 0.2 % by weightamphoteritethe range over at which the alteration took place transparent, recrystallized, moderate size crystals   10 to 15 % by volumeagglomeration of particles, many of which record individual, diverse histories   providing insight into geological evolution of parent asteroidsecondary, 2 to 50 micron grains2 % by volume0.1 to 1 % by volume85.7 % of meteorite fallshigh because it is more friable than iron meteorite0.9 millimetersthermal metamorphism type 5 chondriteoldest and most primitive rock in solar system less than 0.5 % by weightgreater than 20 % by weight, kamacite and taenite in exsolution relationshiplow95  less than 1.5 % by weightmoderate  20 % of total iron  most common chondrite observed from fallsless than 950 degree Celsius during its entire history since solidification  strewn fields, elongated footprints which depends on impact angle, airbursts, and impact velocity   in weight %definition goes herebronzite, olivine and minor oligoclaseless than 20 % monoclinic in degrees, minutes and seconds of lattitude and longitudehomogeneoushigh because it is more friable than iron meteorite184 kg60 to 80 % by volumeasteroid smaller than 100 km in diameterchondrules readily delineatedabout 2 % which depends on degree of aqueous alteration and thermal metamorphism
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 constituentsthe 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 meteoriteoldest and most primitive rock in solar system    1691   in weight % undulatory extinction, irregular fractures, some planar fracturesundulatory extinction, irregular fractures very weakly shocked  less than 950 degree Celsius during its entire history since solidificationorthopyroxene for enstatite chondritebefore, during or after other types of metamorphismstrewn fields, elongated footprints which depends on impact angle, airbursts, and impact velocity  S2in weight %definition goes hereoften minerals not found on Earthdefinition 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 minerals  which depends on degree of aqueous alteration and thermal metamorphism
Dag 633in weight %which depends on its compositionless than 0.2 % by weightamphoteritethe range over at which the alteration took placeundulatory extinction, irregular fracturestransparent, recrystallized, moderate size crystalsthe nature and degree of thermal metamorphism or aqueous alteration5 to 10 GPaDaG10 to 15 % by volumeagglomeration of particles, many of which record individual, diverse historiesFa% 27.1
can be severe due to long exposure time to environmental corrosion agentsproviding insight into geological evolution of parent asteroidsecondary, 2 to 50 micron grains2 % by volume0.1 to 1 % by volume during meteor phase which depends on composition0.9 millimetersthermal metamorphismW2 oldest and most primitive rock in solar system1less than 0.5 % by weightgreater than 20 % by weight, kamacite and taenite in exsolution relationshiplow951998contains angular fragmentsless than 1.5 % by weightmoderateundulatory extinction, irregular fractures, some planar fracturesundulatory extinction, irregular fractures20 % of total ironvery weakly shocked0.210 kgmost common chondrite observed from fallsless than 950 degree Celsius during its entire history since solidificationorthopyroxene for enstatite chondritebefore, during or after other types of metamorphismDar al Gani plateau, Libyan Sahara DesertLL5 chondriteFs% 23.4S2in weight %definition goes herebronzite, olivine and minor oligoclaseless than 20 % monocliniclower because the fall was not witnessed26° 55.14' N. 16° 40.65' E.homogeneousdirectly proportional to initial velocity184 kg60 to 80 % by volumeasteroid smaller than 100 km in diameterchondrules readily delineatedabout 2 %A. Sexton, Open University, UK. Meteoritical Bulletin No 84which depends on degree of aqueous alteration and thermal metamorphism

Next Dar al Gani meteoriteDag 635    UpDar al Gani meteorite, LL5 chondrite, S2 shock stage chondrite    Previous Dar al Gani meteoriteDaG 632