It is particularly useful in Antarctica, because of a number of factors:. Mackintosh, A. Scientists must therefore carefully measure the horizon line all for degrees all around their boulder. Share this. Dictionary Entries near cosmogenic cosmochemistry cosmodrome cosmogenesis cosmogenic cosmogeny cosmogony cosmographist. Glacial geologists use this phenomenon to date glacial landforms, such as erratics or glacially transported boulders on moraines or glacially eroded bedrock.
Spallation reactions are those where cosmic-ray neutrons collide with particular elements in surface rocks, resulting in a reaction that is sufficiently energetic to fragment the target nucleus.
Some words just don't mean what they used to However, this can be difficult, as thermal boundaries within the ice sheet may mean that it is more erosive lower down than higher up, and that cold, non-erosive ice on the tops of mountains may leave in tact older landscapes. Time Traveler for cosmogenic The first known use of cosmogenic was in See more words from the same year. Leave a Reply Cancel reply Your email address will not be published. Each of these nuclides is produced at a different rate.