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Database for the Quaternary and Pliocene Yellowstone Plateau Volcanic Field
of Wyoming, Idaho, and Montana

By Richard D. Koch, David W. Ramsey, and Robert L. Christiansen

Data Series 551 (Database for Professional Paper 729-G)
U.S. Geological Survey


INTRODUCTION

[The Grand Canyon of the Yellowstone River.  (USGS photograph by Steven R. Brantley.)]
This view of the Grand Canyon of the Yellowstone is from below Lower Falls, looking downstream. The splendid yellow-brown walls of the canyon consist predominantly of rhyolite tuff and lava (Sulfur Creek and Canyon flow, respectively), which erupted nearly 500,000 years ago. Both units have been intensely altered by hydrothermal fluids. (USGS photograph by Steven R. Brantley.)

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DATA

PLOTFILES

LINKS


2011

Suggested citation and version history

U.S. Department of the Interior
KEN SALAZAR, Secretary

U.S. Geological Survey
Marcia K. McNutt, Director


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