Results 261 to 270 of about 68,798 (308)

Enhanced deep Southern Ocean stratification during the lukewarm interglacials. [PDF]

open access: yesNat Commun
Huang H   +9 more
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Does U–Pb date Earth's core formation?

Nature, 2006
Arising from: B. J. Wood & A. N. Halliday Nature 437, 1345–1348 (2005); Wood & Halliday reply Constraining the timing of the formation of Earth's core, which defines the birth of our planet, is essential for understanding the early evolution of Earth-like planets.
Qing-zhu Yin, Stein B. Jacobsen
openaire   +1 more source

Ion microprobe U–Pb dating of apatite

Chemical Geology, 1999
Abstract To illustrate in situ Sensitive High Resolution Ion MicroProbe (SHRIMP) analysis of apatites, Pb isotopes and Pb/U ratios of five apatite samples with different ages have been measured using SHRIMP II ion microprobe at Hiroshima University.
Yuji Sano   +3 more
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Zircon recrystallisation microstructures andthe implications for U-Pb dating

2021
<p>Uranium-lead dating of zircon has been used extensively in geochronological studies based on the widespread occurrence of zircon and its resistance to chemical and physical weathering. Previous research has shown that despite their apparent robustness, many zircons contain evidence for recrystallisation, such as the replacement of the ...
Jasper Huijsmans   +3 more
openaire   +2 more sources

U–Pb SHRIMP dating of uraniferous opals

Chemical Geology, 2006
Abstract U–Pb and U-series analyses of four U-rich opal samples using sensitive high-resolution ion microprobe (SHRIMP) demonstrate the potential of this technique for the dating of opals with ages ranging from several tens of thousand years to millions of years.
Nemchin, Alexander   +2 more
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