During Lesley Urasky’s expedition, “Glacial History in Antarctica”, the team collected rock samples which were taken back to the University of Washington to be dated using cosmogenic (exposure) dating. This method of radiometric dating measures the ratio of isotopes of Beryllium (9Be:10Be) produced by the interaction of cosmic rays with minerals in rocks. This lesson will introduce the student to
This website contains gorgeous pictures and interesting background information on Antarctica, including history, environmental conditions, and research. A twelve-minute overview can be followed by longer segments on Antarctica's weather, Forecasting, and Antarctica and global climate.
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