Rogers 2003 - Chortis history

present address: Department of Physics and Geology, California State University Stanislaus, One University Circle, Turlock, Ca 95382

Rogers, R. D., 2003, Jurassic-Recent tectonic and stratigraphic history of the Chortis block of Honduras and Nicaragua (northern Central America), The University of Texas at Austin, Ph. D. dissertation, 289 p

Jurassic-Recent tectonic and stratigraphic history of the Chortis block of Honduras and Nicaragua (northern Central America) by  Robert Douglas Rogers, B.S., M.S. Doctor of Philosophy, The University of Texas at Austin, December, 2003

Copyright by Robert Douglas Rogers, 2003


Table of Contents

List of Tables.
List of Figures.
Plate

Abstract

Introduction.
Significance of the Chortis block to Caribbean and Cordilleran tectonics.

Motivation for this study.

Goal of dissertation and scope of chapters 1-5.

Chapter 1: Epeirogenic uplift above a detached slab in northern Central America.

1.1 Abstract
1.2 Introduction.

1.3 Tectonic setting of northern Central America.

1.4 Mantle tomography beneath Central America.

1.5 Central American plateau character and extent

1.6 Age of uplift of the Central American plateau.

1.7 Discussion and implications for tectonic history.

Chapter 2: Plate tectonic controls on two styles of active, transtensional deformation along the North America-Caribbean plate boundary zone (northern Central America and offshore Honduran borderlands)

2.1 Abstract
2.2 Introduction.

        2.2.1 Significance of study.

        2.2.2 Strain partitioning study area of the northwestern Caribbean plate.

        2.2.3 Objectives and data used for this chapter

2.3 Active tectonic setting for transtensional deformation in northern Central America and the offshore Honduran borderlands.

        2.3.1  Along-strike variation in structural styles of the North America-Caribbean plate boundary 

        2.3.2. Earthquakes of the transtensional zone of the northwestern Caribbean.

        2.3.3  Active faults and rifts of the northwestern Caribbean.

2.4  Predicted strain partitioning between strike-slip and extension in the northwest Caribbean 

        2.4.1  Caribbean plate vector and predicted partitioning of slip in the study area 

2.5  Use of digital elevation model (DEM) of Honduras to define zones of active and inactive transtensional rifting in western and central Honduras.

        2.5.1  Objectives, data used, and methods.

        2.5.2  Three morphologic provinces of Honduras.

        2.5.3  Summary of Honduran morphology and relationship to transtensional faulting 

2.6  Transtensional deformation of the Nombre De Dios range and Aguan valley of northern Honduras 

        2.6.1  Objectives, data used, and methods.

        2.6.2  Geologic setting of the Nombre de Dios range.

        2.6.3  Five major fault zones of the Sierra Nombre de Dios and Aguan valley
 

        2.6.4  Faults marking the transition area between areas of east-west extension and east-southeast extension in northern Honduras.

        2.6.5  Geomorphology, drainages, and high-level erosional surfaces of the Nombre de Dios range and Aguan valley.

        2.6.6  Effect of faulting on geomorphology and drainages of the Nombre de Dios range 

        2.6.7  Apparent offsets of river channels in the Nombre de Dios range.

        2.6.8  Tectonic tilt directions of the Nombre de Dios range using asymmetric watershed analysis 

        2.6.9  Major topographic uplift of the Nombre de Dios range.