Abstract
Introduction
Acknowledgments
Structural and stratigraphic features of the mining district
Geology of the Copper Canyon area
Siliceous and volcanic assemblage
Cambrian System
Scott Canyon Formation
Transitional assemblage
Cambrian System
Harmony Formation
Havallah sequence
Pennsylvanian(?) System
Pumpernickel Formation
Overlap assemblage
Pennsylvanian System
Battle Formation
Pennsylvanian and Permian Systems
Antler Peak Limestone
Permian System
Edna Mountain Formation
Surficial deposits
Quaternary System
Intrusive rocks
Altered granodiorite of Copper Canyon
Geometry of the intrusive body
Lithology and chemistry
Xenoliths
Age of intrusive body
Depth of emplacement
Petrogenetic implications of primary biotite composititions
Altered granodiorite of the Wilson-Independence mine area
Miscellaneous intrusive rocks
Extrusive rocks
Caetano Tuff
Basalt flows
Structural geology
Antler orogeny deformation
Sonoma orogeny deformation
Regional considerations
Folding in the Pumpernickel Formation
Tertiary faulting
Origin of hematite in red beds of the Battle Formation
Copper Canyon porphyry copper deposit
Stratigraphy and structure along the 6450 bench
Petrology of rocks on the 6450 bench
Harmony Formation metashale and metasandstone
Battle Formation conglomerate
Major sulfide veins
Fault zones
Hydrothermal biotite from the 6500 bench
Investigations of specific sulfides from the ore body
Chalcopyrite etch tests
Pyrrhotite etch tests and annealing experiments
Pyrrhotite types and textures
Experimental techniques
Pyrrhotite compositions
X-ray determination of arsenopyrite composition
Paragenesis of minerals in the east ore body
Chemistry of the ore and wallrock
Major-element variations
Composition of hydrothermal biotite
Distribution of economic metals in the 6450 bench
Copper
Gold
Silver
Other min-element variations
Geochemistry of gold
Age of metallization
Environment of ore deposition
Depth of metallization
Temperature variation in the east ore body
Chemistry of the fluids
Transport
Conditions of deposition
Oxygen and sulfur fugacities
Deductions from the alteration reactions
Summary of depositional conditions
Role of carbon in the Scott Canyon Formation
Source of copper
Geochemistry of the Copper Canyon Area
Sampling and analystical procedures
Frequency distributions and concentration classes
Distribution of elements in the Copper Canyon area
Copper
Gold
Silver
Other elements
Antimony
Arsenic
Barium
Bismuth
Boron
Cadmium
Chromium
Cobalt
Lead
Manganese
Mercury
Molybdenum
Nickel
Strontium
Tin
Vanadium
Zinc
Primary dispersed element distributions
Statistical evaluation of element associations
Selected references
Index.