Scotland’s Ancient Boulders Put a Famous Dating Clock to the Test
New beryllium-10 measurements from glacial boulders in north-west Scotland show that the Rannoch Moor production rate gives the most accurate ...
Tag: geochronology
Hidden Clocks in Crystal Tracks: New Method Pulls Multiple Ages From a Single Mineral
A new deconvolution method extracts multiple discrete ages from a single apatite fission-track length histogram, sharpening the reconstruction of burial, ...
Custom-Built Helium Machine Pushes Rock Dating to Attomole Sensitivity
Scientists at the University of Colorado Boulder have built and calibrated a custom low-volume helium analysis line, the Jimbochron, that ...
Hidden Uncertainty in Zircon Clocks Clouds the Story of Earth’s Great Unconformity
A new analysis shows that uncertainties in helium diffusion parameters in zircon can shift predicted thermochronologic ages by hundreds of ...
New dating strategy untangles ancient burial heat from mountain cooling in old sand grains
Researchers at the University of Calgary have developed a new modeling strategy that uses syn-depositional zircon grains and combined U/Pb ...
Twin Cores in the Cradle of Humankind: How Chew Bahir Drilling Rewrote the Rules of Climate Archiving
A 15-year scientific drilling campaign in Ethiopia's Chew Bahir basin produced twin sediment cores spanning 620,000 years of climate history, ...
New Laser Method Dates Garnet Crystals With Almost No Uranium, Opening Earth’s Deep Past
Researchers have developed a laser ablation mass spectrometry method that yields reliable uranium-lead ages from garnet containing less than one ...
Hidden Thorium Throws Off Cave Clocks, but a New Fix Rebuilds Maya-Era Timelines
A new multi-method dating framework corrects severe thorium contamination in Yucatán stalagmites, producing robust 2,700-year climate chronologies that can illuminate ...
Inside the Laser: Scientists Unravel Hidden Biases in Zircon Dating
A new study dissects the physical origins of uranium-lead measurement bias in laser ablation zircon dating and shows that directly ...
New Open-Source Tool Turns Rock Surfaces Into Climate and Erosion Timekeepers
An open-source MATLAB application called CoRSEER standardises luminescence rock surface exposure dating, objectively normalising luminescence depth profiles and inverting them ...
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Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study
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University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept
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Bee body mass, pathogens and local climate influence heat tolerance
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Researchers record first-ever images and data of a shark experiencing a boat strike
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Groundbreaking Clinical Trial Reveals Lubiprostone Enhances Kidney Function
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