Tag Archives: sediments

Shelf sediments reveal local weather shifts by way of the eons

Local weather change round Antarctica can severely have an effect on Australia’s rainfall and even affect the distribution of moist and dry zones throughout southeast Asia, a world research has revealed. Paleontology News — ScienceDaily

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DNA from extinct people found in cave sediments

Researchers have developed a brand new technique to retrieve hominin DNA from cave sediments — even within the absence of skeletal stays. Paleontology News — ScienceDaily

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Marine sediments record variations in the Earth’s magnetic field

Timeline of atmospheric production of 10Be. Peaks of overproduction correspond to instability events in the Earth’s magnetic field. Credit: Simon et al. 2016 Past variations in the strength of the Earth’s magnetic field are reflected by the production of isotopes … Continue reading

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Sediments control methane release to the ocean

Scanning Electron Microscope image shows a detail of a shell of a benthic foraminifera. Detailed inspection of the foraminifera shell, or tests as they are called, provide useful information on methane seepage in the area of the ocean where the … Continue reading

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Strata sediments in Salta, Argentina

Stratified sediments in Salta (Argentina) Each layer is generally one of a number of parallel layers that lie one upon another, laid down by natural processes. They may extend over hundreds of thousands of square kilometers of the Earth’s surface. … Continue reading

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Ancient marine sediments provide clues to future climate change

Fossil planktonic foraminifera (40 million years old) from Tanzania is shown. Atmospheric carbon dioxide concentration was the major driver behind the global climatic shifts that occurred between 53 and 34 million years ago, according to new research led by the … Continue reading

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How do streams transport and deposit sediments?

Streams move downslope under the influence of gravity, the passage of water is called stream flow. Several factors control the amount of sediment that can be carried by a stream: 1) volume of stream flow, 2) the stream gradient, 3) … Continue reading

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