New study confirms that the oldest rocks on Earth are in northern Canada A team of researchers has confirmed that northern Quebec, Canada, is home to the oldest known rocks on Earth, dating back 4.16 billion years. This discovery opens a unique window on the early Earth.

New research confirms the Nuvvuagittuq Greenstone Belt in northern Québec holds Earth’s oldest known rocks, dated to 4.16 billion years using Sm–Nd and U–Pb radiometric methods.
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Paper
www.science.org/doi/10.1126/...

#EarthHistory #Geology #Hadean #RadiometricDating

5/9 The challenge: Basalt doesn't contain zircons, the minerals that give reliable rock ages.

O'Neil's team used samarium-neodynium dating - so specialized it's usually for moon and Mars rocks. "There are no rocks on Earth old enough to use that technique."
#RadiometricDating #SamariumNeodynium

Radioactive Romance: When Chemistry Takes On A New Meaning

Radioactive Romance: When Chemistry Takes On A New Meaning

#Potassium-40 #Radiometricdating #Sciencepuns #Chemistryjokes #Radioactivity

sciencehumor.io/chemistry-memes/radioact...

UCL – University College London UCL is consistently ranked as one of the top ten universities in the world (QS World University Rankings 2010-2022) and is No.2 in the UK for research power (Research Excellence Framework 2021).

🧪 At ucl.ac.uk’s Environmental Radiometric Facility, we help researchers date sediments, track pollutants, and monitor radioactive emissions. Our cutting-edge gamma spectrometry provides high-precision data for environmental research.

#UCLGeography #RadiometricDating

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#AgeOfEarth #RadiometricDating #MilkyWay #UniverseAge