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rock > igneous rock > differentiated meteorite > metal-rich meteorite > stony iron meteorite > pallasite > main group pallasite > Springwater
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Springwater comparison table
Subject has reference is an instance of has chromite content has distinguishing feature has olivine chromium content has olivine magnesium content has olivine SiO2 content has olivine grain shape has olivine content has fall location has olivine manganese content has olivine MgO content has metal content has formation cooling rate has name has olivine crystal distribution parent body radiu has olivine composition has weather has letter designation has relative abundance has value has olivine zinc content has olivine nickel content has olivine scandium content has total mass of find has phosphate content has fall coordinate has olivine CaO content has olivine cobalt content has olivine composition uniformity has composition has troilite content has schreibersite content is a kind of has olivine grain size has olivine MnO content has find date has nickel content has olivine Cr2O3 content has mass has olivine FeO content has image has number of find has origin has minor mineral has definition has curation location has olivine Fe/Mn ratio has fall map
main group pallasite  1 % or less by volumemixture of iron-nickel alloy and non-metallic minerals   from angular fragments to rounded35 to 85 % by volumestrewn fields, elongated footprints which depends on impact angle, airbursts, and impact velocity  higher than that of average solar system material2.5 to 4 degrees C per million yearsbased on the locale, region, or nearby town in which the fall occurredfrom homogeneous to heterogeneous78 to 97 kilometersFo 88+-1 PAL1.5 % of meteorite falls    7207 kg1 % or less by volumein degrees, minutes and seconds of lattitude and longitude  heterogeneous elements are zoned between grain rim and coremetallic iron plus olivine; core/mantle boundary samples0.1 to 7.3 % by volume0.3 to 2.8 % by volumepallasitetypically one centimeter  always greater than 4 %    33planet or asteroid much larger than 100 km in diameterschreibersite   which appears as an elongated footprint which depends on impact angle, airbursts, and impact velocity
meteorite find         strewn fields, elongated footprints which depends on impact angle, airbursts, and impact velocity    based on the locale, region, or nearby town in which the fall occurred   can be severe due to long exposure time to environmental corrosion agents  lower because the fall was not witnessed   485755 kg in degrees, minutes and seconds of lattitude and longitude   often minerals not found on Earth  meteorite  when the meteorite was found     1691meteoroid from interplanetary space or fragment dislodged from another planet, moon or planetesimal a meteorite whose fall was not witnessed  which appears as an elongated footprint which depends on impact angle, airbursts, and impact velocity
SpringwaterYanhua Zhou, Steele, I.M. 1993, Lunar Planet. Sci. 24, 1573main group pallasite1 % or less by volumemixture of iron-nickel alloy and non-metallic minerals169 microgram/gram using Instrumental Neutron Activation Analysis82.0 mg# or 100 * Mg/(Mg + Fe)39.0 % by weightfrom angular fragments to rounded35 to 85 % by volume100 miles west of Saskatoon, Saskatchewan, Canada3.18 milligram/gram using Instrumental Neutron Activation Analysis43.9 % by weighthigher than that of average solar system material2.5 to 4 degrees C per million yearsSpringwaterfrom homogeneous to heterogeneous78 to 97 kilometersFo 82can be severe due to long exposure time to environmental corrosion agentsPAL lower because the fall was not witnessed7.7 microgram/gram using Instrumental Neutron Activation Analysis20.4 microgram/gram using Instrumental Neutron Activation Analysis0.54 microgram/gram using Instrumental Neutron Activation Analysis7207 kg1 % or less by volume52° 0' N., 108° 18' W.0.004 % by weight8.84 microgram/gram using Instrumental Neutron Activation Analysisheterogeneous elements are zoned between grain rim and coremetallic iron plus olivine; core/mantle boundary samples0.1 to 7.3 % by volume0.3 to 2.8 % by volume typically one centimeter0.33 % by weightSummer, 1931always greater than 4 %0.021 % by weight67.6 kg17.2 % by weight
33meteoroid from interplanetary space or fragment dislodged from another planet, moon or planetesimalschreibersite main mass at Arizona State Univ.51

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