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Open-File Report 2010-1286

Prepared for U.S. Environmental Protection Agency, Region 8

Chemical and Morphological Comparison of Erionite from Oregon, North Dakota, and Turkey

By Heather A. Lowers, David T. Adams, Gregory P. Meeker, and Constance J. Nutt

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Erionite, a fibrous zeolite, occurs in pediment gravel deposits near Killdeer Mountain, North Dakota. Material from these pediment deposits has been excavated for use as roadbed throughout Dunn County, North Dakota. Erionite also occurs in the Cappadocian region of Turkey, where a link between malignant mesothelioma and inhalation of this mineral has been established. The U.S. Environmental Protection Agency (EPA), Region 8, requested that the U.S. Geological Survey (USGS) compare the chemistry and morphology of erionite collected from the Killdeer Mountains to those collected from villages in Turkey and from Rome, Oregon, which has also been linked to disease in animal studies.

First posted November 26, 2010

For additional information contact:

USGS Central Mineral and Environmental Resources Science Center
Box 25046, Mail Stop 973
Denver, CO 80225

http://minerals.cr.usgs.gov/

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Suggested citation:

Lowers, H.A., Adams, D.T., Meeker, G.P., and Nutt, C.J., 2010, Chemical and morphological comparison of erionite from Oregon, North Dakota, and Turkey: U.S. Geological Survey Open-File Report 2010–1286, 13 p.



Contents

Introduction

Methods

Results and Conclusions

References Cited

APPENDIX A. Method for concentrating erionite from North Dakota tuff samples


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