U-Pb geochronology of Seychelles granitoids: a Neoproterozoic continental arc fragment

U-Pb Isotopic Ages of the K/T Impact Event and its Target Rocks from Shocked Zircons

U-Pb isotopic behaviour of zircon during upper-amphibolite facies fluid infiltration in the Napier Complex, east Antarctica

U-Pb single-grain dating of detrital zircon in the Cambrian of central Poland: implications for Gondwana versus Baltica provenance studies

U-Pb systematics of phosphates from equilibrated ordinary chondrites

U-Pb systematics of stilbite-bearing low-temperature mineral assemblages from the Malmberget iron ore, northern Sweden

U-Pb zircon geochronology and tectonostratigraphy of southern Liverpool Land, East Greenland: Implications for deformation in the overriding plates of continental collisions

U-Processes, U-Quantile Processes and Generalized Linear Statistics of Dependent Data

U-series dating and geochemical tracing of late Quaternary travertine in co-seismic fissures

U-series dating of bone using the diffusion-adsorption model

U-series disequilibria in early diagenetic minerals from Lake Magadi sediments, Kenya: Dating potential

U-statistics and random subgraph counts: Multivariate normal approximation via exchangeable pairs and embedding

U-statistics of Ornstein-Uhlenbeck branching particle system

U-Th-Pb systematics in hydrothermally altered granites from the Granite Mountains, Wyoming

U-Th-Pb zircon dating of the 13.8-Ma dacite volcanic dome at Cerro Rico de Potosí, Bolivia

U-turn Alternating Sign Matrices, Symplectic Shifted Tableaux and Their Weighted Enumeration

U-Xe, U-Kr, and U-Pb systematics for dating uranium minerals and investigations of the production of nucleogenic neon and argon

U.S. Geological Survey silicate rock standards

U.S. Geological Survey standards--II. First compilation of data for the new U.S.G.S. rocks

U.S. Oceans and Human Health Centers Funded