Cosmogenic nuclide burial dating dealing with intimidating customers


22-Apr-2016 16:38

Abstract Cosmogenic nuclide burial dating is another isotopic dating technique developed after cosmogenic nuclide exposure age dating.

This method is mainly used in dating Pliocene sediments.

Cosmogenic nuclide burial dating relies on different decay constants for paired cosmogenic nuclides.

The assumption behind the method is that quartz is exposed to cosmic rays on the Earth’s surface for a period of time,acquiring certain amounts of cosmogenic nuclides.

Cosmogenic nuclides (or cosmogenic isotopes) are rare isotopes created when a high-energy cosmic ray interacts with the nucleus of an in situ Solar System atom, causing nucleons (protons and neutrons) to be expelled from the atom (see cosmic ray spallation).

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We focus on the major recent developments for each technique that are most relevant for new dating applications in diverse fluvial environments and on explaining these for non-specialists.However, the arbitrary defining qualification for cosmogenic nuclides of being formed "in situ in the Solar System" (meaning inside an already-aggregated piece of the Solar System) prevents primordial nuclides formed by cosmic ray spallation before the formation of the Solar System, from being termed "cosmogenic nuclides"— even though the mechanism for their formation is exactly the same.