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 ...
Tag: geochronology
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 ...
Cosmic Rain: Colorado Soils Reveal How Millions of Beryllium-10 Atoms Fall Each Year
Measurements of cosmic beryllium-10 in glacial soils across a Colorado watershed reveal that millions of atoms fall on each square ...
How Scientists Date Volcanoes: A Guide to the Clocks Behind Eruption Forecasts
A new review of numerical dating methods for Quaternary volcanism explains how argon, radiocarbon, uranium-series, cosmogenic and luminescence clocks are ...
Hidden Math Errors in Dating Method Get a Long-Overdue Fix
A new mathematical reappraisal exposes decades-old errors in the equations used to correct luminescence ages for anomalous fading and delivers ...
New Open-Source Tool Turns Rock Cooling Ages into Rates of Geological Change
Researchers have released Tc1D, an open-source Python model that links thermochronometer cooling ages directly to rates of exhumation, burial, and ...
Ancient builders hauled 25-tonne stones 18 kilometres to raise Britain’s tallest stone row
New geological fingerprinting shows the 25-tonne stones of Britain's tallest prehistoric stone row were deliberately transported 18 kilometres from Brimham ...
Pompeii Eruption Gives Scientists a Precise New Clock for Dating Earth’s History
Scientists have used the historically documented date of the Vesuvius eruption that buried Pompeii to recalibrate argon-argon dating and halve ...
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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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