Synchronizing Rock Clocks of Earth History

Calibration of the geological time scale is achieved by independent radioisotopic and astronomical dating, but these techniques yield discrepancies of ~1.0% or more, limiting our ability to reconstruct Earth history. To overcome this fundamental setback, we compared astronomical and ⁴⁰Ar/³⁹Ar ages o...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 2008-04, Vol.320 (5875), p.500-504
Main Authors: Kuiper, K.F, Deino, A, Hilgen, F.J, Krijgsman, W, Renne, P.R, Wijbrans, J.R
Format: Article
Language:English
Subjects:
Age
Age discrimination
Astronomical methods
Astronomy
Calibration
Canyons
Cretaceous
Earth
Earth sciences
Earth, ocean, space
Exact sciences and technology
Geochronology
geological eons
Geological time
Geology
Isotope geochemistry. Geochronology
Mathematical minima
Morocco
Neogene
Precession
Research Article
Stratigraphy
Tephra
uncertainty
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