Geology and geochemistry of the Copper Canyon porphyry copper deposit and surrounding area, Lander County, Nevada /
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| Main Author: | |
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| Corporate Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Washington :
U.S. Govt. Print. Off.,
1975.
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| Series: | Geological Survey professional paper ;
798-B. Geochemistry of the porphyry copper environment in the Battle Mountain mining district, Nevada |
| Subjects: |
Table of Contents:
- 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.