What people are saying - Write a review
We haven't found any reviews in the usual places.
Some longlived and stable nuclides
Origin of differentiated meteorites
Halogens in meteorites and their primordial
68 other sections not shown
Other editions - View all
abundances acid Acta alkaline analyses anomalies Apollo Archean associations average basalts calculated carbon changes chemical chondrites compared complex composition concentrations contain continental cosmic rays Cosmochim crust crystallization depletion deposits determined differentiation distribution earth effects éléments enriched environment et al evolution formation formed fractionation geochemical Geochemistry Geol granites groups higher inclusions increase indicate iron isotopic komatiites lead liquid lower lunar magma major mantle massif material melting metal metamorphism meteorites method minerals natural observed obtained occur Ocean origin patterns phases phonolites Planet possible present processes range Rare earth ratios reactions region relative Ridge roches rocks samples Science sediments similar soil solar solution studies suggest surface Table teneurs tholeiites trace elements types upper values variations volcanic xenoliths zone