Filters: Tags: natural resource assessment (X) > Date Range: {"choice":"year"} (X)

Filters Date Types (for Date Range) Contacts Jane M. Hammarstrom USGS U.S. Geological Survey - ScienceBase Heather Parks Jane Hammarstrom Michael L. Zientek U.S. Geological Survey Categories Data (1) Tag Types Theme (1) Place (1) Tag Schemes USGS Thesaurus (1) Common Geographic Areas (1) View Results as: JSON ATOM CSV

Summary statistics by region This dataset tabulates summary statistics for estimates of amounts of copper in undiscovered porphyry copper deposits by world region and for the globe. Data re reported by region, by aggregation method (randomized and sorted), and by selected statistics. These include quantiles, means, standard deviations, standard error of the mean , and Upper and Lower 95% of the mean. Categories: Data; Tags: Earth, copper, metallic mineral resources, natural resource assessment