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Unformatted text preview: simple layer of clothing and have a small mass with variable energy. Gamma rays are the most dangerous, and can many times be stopped only with feet of concrete. These different types of radiation are a risk to humans but can be avoided with decreased time of exposure, increased distance, and shielding. Radiation comes from cosmic rays, food, radon, the earth, building materials, and many more sources. The objective of the field trip was to detect radiation in different rocks scattered nearby Hamilton College. We came to the conclusion that metamorphic and igneous rocks tend to be radiated. Here are some values of radiation found in different rocks: Limestone rock at skyline: .02-.03 milliREMs Glacial erratic (metamorphic): .1-.15 milli REMs Glacial tile at windfarm: .05 milliREMs Ford Hollow dolostone: .01 milli REMs Geology 116 Forensic & Medical Geology May 12, 2009...
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- Spring '08