Geochemical cycle

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11	83 CHAPTER 6. GEOCHEMICAL CYCLES Add to Reading List Source URL: acmg.seas.harvard.edu Language: English - Date: 2014-06-21 10:07:14 Nitrogen metabolism Chemical elements Nonmetals Biogeography Soil biology Oxygen cycle Nitrogen Biogeochemical cycle Denitrification Chemistry Biology Matter
12	Donald Eugene Canfield Curriculum vitae Name Add to Reading List Source URL: www.eag.eu.com Language: English - Date: 2011-03-01 05:35:25 Geochronology Geophysics Isotope geochemistry Canfield Geochemical Society Geochimica et Cosmochimica Acta Sulfur cycle Sulfur Robert Garrels Chemistry Matter Geochemistry