Rare earth abundances in meteoritic chondrules.
Rare earth elements and yttrium in meteoritic chondrules determined by radiochemical neutron activation analysis
SEARCH · Engineering Papers
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.
Rare earth elements and yttrium in meteoritic chondrules determined by radiochemical neutron activation analysis
Indium abundances in chondritic and achondritic meteorites and terrestrial rocks determined by radiochemical neutron activation analysis
Asteroidal and cometary orbits and origin of meteorites, discussing eccentricities, exposure ages and mass yield
Kodaikanal iron meteorite measurements for cosmogenic rare gases and K-Ar isotopes ages for glass inclusions
Aluminum abundances in stony meteorites measured using nondestructive instrumental neutron activation analysis
Chemical and mineralogical study of Kodaikanal meteorite silicate and metal phases, using optical, X ray and electron microprobe techniques
Possible sources of meteoritic material from Hopewell Indian burial mounds
Organic analysis of Pueblito de Allende meteorite using thin layer chromatography or combined gas chromatography and mass spectrometry
Meteorite and primordial matter composition related to possible fractionation processes influence, discussing nuclear species abundance
Cosmic ray produced radionuclides and rare gas isotopes from Saint-Severin meteorite surface, showing relative Kr spallation mass yields dependence on cosmic ray energy spectra
Iron meteorites genetic classification based on parent body cooling rate and Ga-Ge trace element content
Iron meteorites analysis for Ni, Co, P, C, S and Cu elements by milling technique, noting superiority degree based on Co-Ni correlation
Fe-Ni-P phase diagram studies applied to schreibersite and rhabdite formation in iron meteorites
Chemical classification of iron meteorites with Ge concentrations between 80 and 200 ppm, reporting concentrations of Ge, Ni, Ga and Ir
Meteorites pigments identification as porphyrins for extraterrestrial life evidence, noting sample analyses of Orgueil, Murray, Cold Bokkeveld and Mokoia carbonaceous chondrites
Bogou iron meteorite Ni-Cu-Zn contents determined by radiochemical methods
Primordial hydrogen and helium concentration in Pesyanoe meteorite measured by gas chromatography, indicating solar wind injection source
Age, radioactivity, and composition of Schenectady chondritic stone meteorite