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economic geology  search
 metal ores
 energy sources
 chemical industry
 coal mines
 cutoff grade
 Law of the Sea
 metallogenic epochs
 metallogenic provinces
 mineral deposits,
SNFor the discipline as a whole. See also specific commodities (list C).
Economic Geology (category)  search
SNEconomic geology, GeoRef category codes 26-29, are a group of the 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 Li
economic geology maps  search
 .economic geology maps
RTcoal deposit maps
 industrial minerals maps
 metallogenic maps
 petroleum maps
SNBefore 1978, search maps AND economic geology.