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Map of Eocene igneous rocks associated with the Challis-Kamloops Belt

Detailed Description

Map of Eocene igneous rocks associated with the Challis-Kamloops Belt. The Challis volcanics are indicated by red (extrusive) and orange (intrusive) colors.  The Absaroka volcanics are blue. Other Eocene rocks are shaded gray.  Map by Zach Lifton, Idaho Geological Survey.

Sources/Usage

Public Domain.

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