Abstract
Introduction
Geologic setting
Analytical methods
Statistical methods
Hydrothermal alteration and metallization
Petrography of unaltered dacite samples
Petrography of unoxidized altered rocks and ores
Petrography of oxidized altered dacite samples
Potential indicator elements: elements associated with gold in Goldfield ores
Dispersion patterns of ore-related elements in the oxidized zone
Element distribution maps
Gold
Lead
Silver
Bismuth
Mercury
Arsenic
Copper
Molybdenum
Zinc
Interpretation of the geochemical maps: separating effects of hypogene and supergene processes
Mobility of elements in the zone of oxidation
Iron and manganese
Correlation matrices
Interpretation of data for the potential indicator elements
Gold
Lead
Silver
Bismuth
Mercury
Arsenic
Copper
Molybdenum
Zinc
Indicator elements for gold and methods of geochemical sampling
References cited.