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Surface exposure dating with cosmogenic nuclides

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Borates such as colemanite are thought by some to have stabilized ribose, an essential component of ribonucleic acid and critical for the self-assembly of prebiotic organic compounds to constitute life; others have proposed that ribose was stabilized by borate in solution.

Boron isotopes provide insight on the processes responsible for the creation of continental crust, and act as a proxy for paleoclimate.

He is presently employed in the Space & Atmospheric Sciences Group at the Los Alamos National Laboratory.

Radiometric dating--the process of determining the age of rocks from the decay of their radioactive elements--has been in widespread use for over half a century.

The mechanisms controlling these variations and advance and recession of include a number of potential forcings, such as oceanic temperatures, sea level changes, air temperatures, ocean tides, subglacial bathymetry, geomorphological features, subglacial meltwater, thermodynamics, and the size of the drainage basin[1]. In fact, Antarctic ice shelves appear crucial to the stability of their tributary glaciers[8], and melting ice shelves could have catastrophic consequences for many glaciers.

A radionuclide (radioactive nuclide, radioisotope or radioactive isotope) is an atom that has excess nuclear energy, making it unstable.

Extreme concentrations of boron result in economic evaporitic deposits, and, thus, water-soluble boron minerals, notably borax, have been among the most accessible of useful compounds to humankind, even in antiquity.

A global system | Dynamic ice streams | Rapid changes | The past is the key to the present | Reconstructing ancient ice sheets | A large jigsaw with many pieces | Further Reading | References | Comments | Why should we study Antarctic glaciers? Antarctica plays a vital role in the global oceanic and climatic systems. Because freshwater ice at the surface freezes onto icebergs, this water is not only cold, it is salty.

Material giving rise to these enhanced exposures has become known as naturally occurring radioactive material (NORM).

NORM is the acronym for Naturally Occurring Radioactive Material, which potentially includes all radioactive elements found in the environment.