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Open-File Report 02-126

Prepared in cooperation with the Washington Department of Ecology and the Environmental Protection Agency

Surficial geology along the Spokane River, Washington and its relationship to the metal content of sediments (Idaho-Washington stateline to Latah Creek confluence)

By Stephen E. Box and John C. Wallis

Thumbnail of and link to report PDF (12.2 MB)Summary

The purpose of this study is

  1. to document the geographic distribution of Holocene (deposited in the last 11,000 years) sedimentary lithologies in and along the Spokane River,
  2. to document the downstream variation of metal contents (especially lead [Pb] and zinc [Zn] ) by sedimentary lithology, and
  3. to compare the metal contents of different sedimentary lithologies.

This data is used to gain some understanding of the physical and chemical processes that control those metal contents. It is hoped this study can be used to guide potential future remedial actions aimed at reducing the biologic impact of metal-enriched sediments in this area. This work was undertaken in cooperation with the Washington Department of Ecology and the Environmental Protection Agency.

First posted March 20, 2002

Shapefiles for Spokane River geologic units, in ArcView

The National Geologic Map Database has additional data about this publication

For additional information, contact:
Geology, Minerals, Energy, and Geophysics Science Center
U.S. Geological Survey
345 Middlefield Road, MS 901
Menlo Park, CA 94025-3591
http://geomaps.wr.usgs.gov/gmeg/

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Suggested citation:

Box, Stephen E., Wallis, John C., 2002, Surficial geology along the Spokane River, Washington and its relationship to the metal content of sediments (Idaho-Washington stateline to Latah Creek confluence): U.S. Geological Survey Open-File report 02-126, 76 pp., https://pubs.usgs.gov/of/2002/0126/.



Contents

Introduction

Geologic background

Geochemistry of the surficial sediments

Conclusions

Description of map units

Acknowledgements

References


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