Composition Allende meteorite

allende meteorite slice on display @ arizona state university

the matrix , chondrules consist of many different minerals, predominantly olivine , pyroxene. allende classified cv3 carbonaceous chondrite: chemical composition, rich in refractory elements calcium, aluminum, , titanium, , poor in relatively volatile elements sodium , potassium, places in cv group, , lack of secondary heating effects consistent petrologic type 3 (see meteorites classification). carbonaceous chondrites , cv chondrites, allende enriched in oxygen isotope o-16 relative less abundant isotopes, o-17 , o-18. in june 2012, researchers announced discovery of inclusion dubbed panguite, hitherto unknown type of titanium dioxide mineral.

there found small amount of carbon (including graphite , diamond), , many organic compounds, including amino acids, not known on earth. iron, combined, makes 24% of meteorite.