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geochemistry  search
RTabsolute age
 ammonia compound
 ammonium ion
 aqueous solutions
 background level
 basin analysis
 bicarbonate ion
 biogeochemical methods
SNUsed for broad treatments as well as specific experiments.
Geochemistry (category)  search
SNGeochemistry, GeoRef category code 02, is one of thirty categories used to classify documents in GeoRef. Each reference in GeoRef is assigned one or more categories. Categories can be used, in addition to Terms, to refine searches (See List A.).