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| CHN | Coulometer | Biogenic Silica | Gamma | Acid Washing | Drying | Grinding | Core Sectioning |
| Gamma Aliquot Preparation | |
| Data Analysis | |
| Gamma Counter Sample Placement |
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U.S. Department of the Interior, U.S. Geological Survey
URL: http://pubs.usgs.gov/of/2002/of02-371/gammeth.htm
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Last modified: 10:53:16 Fri 23 May 2003
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