U 234 / U 238 in the East Pacific sector of the Antarctic Ocean and in the Red Sea

U and Th zonation in apatite observed by laser ablation ICPMS, and implications for the (U-Th)/He system

U Pb, Hf and O isotope evidence for two episodes of fluid-assisted zircon growth in marble-hosted eclogites from the Dabie orogen

U Th Pb and Lu Hf isotopic constraints on the evolution of sub-continental lithospheric mantle, French Massif Central

U, Th and extinct 244 PU in the phosphates of the St. Severin meteorite

U-(Th)-Pb systematics and ages of Himalayan leucogranites, South Tibet

U---Th---Pb and Rb---Sr systematics in 2700 × 10 6 -year old plutons from the southern Wind River Range, Wyoming

U---Th---Pb and Sm---Nd isotopic systematics of the Goalpara ureilite: Resolution of terrestrial contamination

U--band Imaging of Bright Nearby Spiral Galaxies

U-Learning Within A Context-Aware Multiagent Environment

U-Note: Capture the Class and Access it Everywhere

U-Pb age and Hf isotopic constraints of detrital zircons from the Himalayan foreland Subathu sub-basin on the Tertiary palaeogeography of the Himalaya

U-Pb and Lu-Hf Systematics of Antarctic Meteorites

U-Pb and Rb-Sr dating of a polymetamorphic nappe terrain: The Caledonian Jotun nappe, southern Norway

U-Pb and Rb-Sr systematics of the Suomussalmi Archean greenstone belt (Eastern Finland)

U-Pb Chronology of a Newly Recovered Angrite

U-Pb geochronology and Hf-Nd isotope compositions of the oldest Neoproterozoic crust within the Cadomian orogen: new evidence for a unique juvenile terrane

U-Pb geochronology of Gangdese (Transhimalaya) plutonism in the Lhasa-Xigaze region, Tibet

U-Pb investigations on zircons from pre-Variscan gneisses--I. A study from the Schwarzwald, West Germany

U-Pb study of phosphates in chondrites.