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Radioactive Decay and Rock Ages
The question of the age of the Earth and the Universe was long the subject of contentious discussion. Towards the end of the eighteenth century, it...
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Applications of Lead Isotopes to Ore Geology, Metallogenesis and Exploration
Although lead isotopes are most commonly used to date geological events, including mineralizing events, they also can provide information on many...
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Fluid inclusion and H-O-S-Pb isotope systematics of the Chayong Cu-polymetallic deposit, Sanjiang Metallogenic Belt, Qinghai Province, China
The Chayong Cu-polymetallic deposit is a recently discovered Cu-polymetallic deposit hosted in the Sanjiang Metallogenic Belt within the Tibetan...
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Radioaktiver Zerfall und das Alter von Gesteinen
Die Frage, wie alt Erde und Kosmos sind, wurde sehr lange kontrovers diskutiert. Gegen Ende des 18. Jahrhunderts hatte man verstanden, dass Schichten...
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Application of Pb isotopes to the identification of geogenic and anthropogenic sources in groundwaters and surface waters in a world-class coal deposit area and associated thermoelectric power plant in Candiota, southern Brazil
The use of lead isotopes has been widely applied to identify contamination sources in nature. The present study aims to investigate the Pb isotope...
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Origin of the DUPAL anomaly in the Tethyan mantle domain and its geodynamic significance
Mantle heterogeneity has revealed systematic differences in Pb isotopic compositions between the Indian Ocean-South Atlantic mantle in the Southern...
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Intraplate orogenesis as a driver of multistage karst-hosted mineralization: the Imini manganese case (Atlas, Morocco)
The Imini mining district (southern foreland of the intraplate Atlasic belt of Morocco) hosts the largest Mn resources of North Africa, consisting of...
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Changes in the Provenance of the Holocene Deposits of the Oga and Tsivolki Bays (Novaya Zemlya Archipelago) according to Sr, Nd, and Pb Isotope Data
AbstractThe paper considers Sr, Nd, and Pb isotope data obtained for two cores of bottom sediments taken in the Oga and Tsivolki bays of Severny...
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Geochronology and Geochemistry of Mesozoic Granites in the North Qilian Shan: Implications for Petrogenesis and Tectonic Setting
AbstractThis paper documents the zircon U–Pb ages, whole-rock geochemistry, and Sr–Nd–Pb isotopes of the Mesozoic granites in the central part of the...
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Lead Components of Bulk Sediments from Dahu Swamp in Nanling Mountains (South China): Implications for the Climatic and Environmental Changes Since the Last Deglaciation
AbstractWe show, from a 16.6 ka record of lead isotopes from a core sediments in Dahu Swamp in eastern Nanling Mountains, that the chemical...
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Petrogenesis of volcanic rocks from the Quaternary Eifel volcanic fields, Germany: detailed insights from combined trace-element and Sr–Nd–Hf–Pb–Os isotope data
Quaternary rocks from the East and West Eifel volcanic fields in western Germany are a key suite of intraplate volcanic rocks that can provide...
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An insight from the sea: provenance studies on Roman lead artefacts from the Arade River, Portimão (Portugal)
In the present study, 37 lead artefacts were characterised to identify possible lead sources allowing to establish trade fluxes concerning food and...
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Hawaiian postshield volcanism over the past 55 million years
The Hawaiian-Emperor chain, the surface expression of the Hawaiian mantle plume which has been active for at least 81 Ma, is divided into the Emperor...
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Hydrothermal Uranium Mineralization in the Tuyukan Ore Field (Northern Transbaikalia): Time of Precipitation of the Pitchblende and Age of the Uranium Source
AbstractBased on the study of local volumes of minerals using the classical methods of isotope dilution and thermal ionization mass spectrometry...
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The Ages and Isotope Compositions of the Gold–Silver Deposits and Occurrences of the Evensk Group (Okhotsk–Chukotka Volcanogenic Belt, Northeast Russia)
The existing and recently acquired data on the isotope ages and compositions of volcanogenic Au–Ag deposits and occurrences of the Evensk group...
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Zircon U–Pb geochronologic, geochemical and Sr–Nd–Pb isotope characteristics of the Beidaban granites in the North Qilian Orogenic Belt: Petrogenesis and tectonic implications
The tectonic evolution and crustal accretion process of the North Qilian Orogenic Belt (NQOB) are still under debate because of a lack of integrated...
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Deep recycling of crustal materials by the Hainan mantle plume: evidence from Zn–Sr–Nd–Pb isotopes of Hainan Island basalts
Understanding the compositional heterogeneity of the deep mantle requires identifying the nature of recycled crustal materials in the sources of...
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New Isotope-Geochemical Data on the Cenozoic Volcanism and the Geodynamics of the Underwater Vityaz Ridge (Pacific Slope of the Kuril Island Arc)
Original analytical data on trace elements and radiogenic Nd and Pb isotopes in the volcanic rocks of the Southern and southwestern part of the...
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Sources and Evolution of Miocene–Pleistocene Alkaline Magmatism in the Northeast Part of the Arabian Plate: Evidence from Sr–Nd–Pb Isotope Data and K–Ar Geochronometry
Abstract—A geochronological and isotope–geochemical study of alkaline basalts from three areas of young magmatism within the northeastern part of the...
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Sources of Metals for the Rudny Altai VMS Deposits: Results of High-Precision MC-ICP-MS Lead Isotope Study
Abstract —The Rudny Altai metallogenic province, which is concordant to the structures of the eponymous terrane and located in the Central Asian...
