Table of Contents - SPE264: Tectonic Setting of Faulted Tertiary Strata Associated with the Catalina Core Complex in Southern Arizona

Acknowledgments

Abstract

Introduction

Regional Setting
Catalina Core Complex
Nearby Structures San Pedro Trough
Geologic History
Plan of This Paper

Pre-Laramide Rock Assemblages

Precambrian Basement
Proterozoic Stratigraphy
Paleozoic Stratigraphy
Mesozoic Assemblages

Laramide Geologic Features

Laramide Orogeny
Laramide Rocks
Metaluminous Intrusions and Volcanic Fields
Synorogenic Sedimentary Units
Peraluminous Two-Mica Granite Laramide Structures
Ductile Structures Inside the Core Complex
Brittle Structures Outside the Core Complex

Tertiary Tectonomagmatic Relations

Overview of Inland Cordilleran Magmatism
Regional Magmatic Patterns
Southwest Border Region
Tectonomagmatic Transition
Local Volcanic Fields
Core Complex Plutons Intermountain Taphrogeny
Deformational Phases
Mid-Tertiary Tectonism
Mid-Miocene Transition
Basin-Range Tectonism

Core Complex Geometry

Characteristic Structural Features
Origin of Domical Morphology
Occurrence of Mylonitic Gneiss
Conditions of Mylonitic Deformation
Configuration of Detachment System
Displacement Along Detachment Fault
Timing of Tectonic Denudation

Alternate Structural Models

Unidirectional Tilt Domains
Inclination of Detachment Surfaces
Evolution of Detachment Systems
Kinematics of Detachment Faults
Contrasting Rotational Mechanisms

Tertiary Sedimentary Assemblages

Overall Facies Framework
Alluvial Fan and Braidplain Facies
Interstratified Megabreccia Bodies
Lacustrine and Related Facies
Half-Graben Facies Associations
Capping Basin-Fill Successions
Key Paleocurrent Indicators

Tertiary Stratigraphic Framework

Mid-Tertiary Units
Mineta Formation
Galiuro Volcanics
Cloudburst Formation
Cloudburst/San Manuel Contact
San Manuel Formation
Pantano Formation Basin Fill Units
Quiburis Formation
Quiburis Equivalents
Quaternary Alluvium
Terraces and Benchlands

Subarea Structure and Stratigraphy

Tortilla Mountains Area
Structural Relations
Hackberry Wash Facies of Cloudburst Formation
San Manuel Formation
Quiburis Formation Putnam Wash Area
Structural Relations
Stratigraphic Relations Black Hills Area
Structural Relations
Alternate Fault Geometry
Cloudburst Formation
San Manuel Formation
Quiburis Formation Soza-Teran Area
Structural Relations
Mineta Formation
San Manuel Formation
Quiburis Formation Cienega Gap Area

Discussion and Conclusions

General and Regional Relations
Syntectonic Mid-Tertiary Strata
Detachment Timing and Displacement
Post-Detachment Neogene History
Kinematic and Geometric Uncertainties

References Cited