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Uranium lead dating explained variation

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This service is more advanced with JavaScript available, learn more at http: Contributions to Mineralogy and Petrology. Based on regular arrays in a U-Pb diagram of data points of zircons from polymetamorphic rocks of the Alps quantitative models are developed that include several episodic lead losses, continuous lead losses during discrete periods and combinations of both. On the other hand, zircon data from North American basement rocks satisfy a model assuming a discrete interval of continuous lead loss that starts with the time of uplift of the rocks. The Th-U-Pb diagrams are valuable for recognising whether the history of the zircons and their host rock is a complex one or not which is not always noticeable in a U-Pb diagram.
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Late Palaeolithic cave art and permafrost in the Southern Ural

Uranium lead dating explained variation
Uranium lead dating explained variation
Uranium lead dating explained variation
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Late Palaeolithic cave art and permafrost in the Southern Ural | Scientific Reports

This service is more advanced with JavaScript available, learn more at http: Environmental Science and Pollution Research. To understand the links between the long-term impact of uranium and other metals on microbial community composition, ground- and surface water-influenced soils varying greatly in uranium and metal concentrations were investigated at the former uranium-mining district in Ronneburg, Germany. A soil-based 16S PhyloChip approach revealed bacterial and 35 archaeal operational taxonomic units OTU within diverse phylogenetic groups with higher OTU numbers than at other uranium-contaminated sites, e. Instead, microbial community composition appeared to be influenced more by redox potential. Bacterial communities were also influenced by bio-available manganese and total cobalt and cadmium concentrations. Bio-available cadmium impacted FeRB distribution while bio-available manganese and copper as well as solid-phase zinc concentrations in the soil affected SRB composition.
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This service is more advanced with JavaScript available, learn more at http: Contributions to Mineralogy and Petrology. The paper presents lead isotope data from samples from Phanerozoic lead-bearing ore occurrences in Central Europe, particularly from the Southern part of the former German Democratic Republic.
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