U.S. Geological Survey

Mineral Deposit Modeling Using
Components for Complex Mineral Deposits:
Mixed Base- and Precious-Metal Veins
of the Idaho Batholith, Idaho

By James D. Bliss

U.S. Geological Survey Open-File Report 94-0690



This publication presents a mineral deposit component model for mixed base-
and precious-metal veins of the Idaho Batholith, Idaho. Mineral deposit
component modeling classifies mines clustered in a district according to
the primary commodity each produced in order to reflect the grades actually
worked, then calculates a composite tonnage and grade for those mines. This
model was developed to characterize deposit sizes and grades of complex
mineralized systems for use in quantitative mineral resource assessments.

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For more information about this report contact William D. Heran at wheran@usgs.gov