Skip to Main Content
Book Chapter

Introduction: Some Examples of Climate Controls on Sedimentation

By
C. Blaine Cecil
C. Blaine Cecil
U.S. Geological Survey, Reston, Virginia 20192, U.S.A.
Search for other works by this author on:
Published:
January 01, 2003

Abstract

Part 3 of this volume contains five papers that illustrate some of the various effects of climate on sedimentation, including studies of climatic controls on sediment supply in marine environments and in desert environments, numerical modeling of ancient climates, and climate influences on the occurrence of petroleum. The paper by Edgar and Cecil relates spatial changes in sedimentation in the Peru–Chile trench (off the west coast of South America) to spatial changes in climate along the Andes Mountain chain. They show that the deepest part of the trench is sediment starved adjacent to the zone where the Andes Mountains are highest and the climate is hyperarid. Fluvial sediment supply is climate dependent, regardless of the heights of mountains in provenance regions. As the climate becomes progressively wetter north and south of the sediment-starved region, the trench is progressively filled, even though the height of the Andes decreases. As an example of climate effects on basin fill, the spatial distribution of sediment in the Peru–Chile trench and the climate of western South America are used as an analogue for the late Paleozoic sediment fill of the Ouachita trough of North America. Edgar and Cecil suggest that the onset of filling of the Ouachita trough is related to the northward drift of the North American craton (from the dry tropics into the wet tropics) rather than the onset of tectonism. The article by Edgar et al. presents shallow seismic interpretations derived from the modern Gulf of Carpentaria, in northern Australia. The seismic data suggest that numerous Pliocene to Recent transgressive–

You do not currently have access to this article.

Figures & Tables

Contents

SEPM Special Publication

Climate Controls on Stratigraphy

C. Blaine Cecil
C. Blaine Cecil
Search for other works by this author on:
N. Terence Edgar
N. Terence Edgar
Search for other works by this author on:
SEPM Society for Sedimentary Geology
Volume
77
ISBN electronic:
9781565762145
Publication date:
January 01, 2003

GeoRef

References

Related

Citing Books via

Close Modal
This Feature Is Available To Subscribers Only

Sign In or Create an Account

Close Modal
Close Modal