Mixed volcanic/clastic rock

An undivided mixture of volcanic rock and clastic sedimentary rock.
This category is also used for mixed clastic/volcanic.
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Bedrock geologic map of the Ashland and the northern part of the Ironwood 30 min X 60 min quadrangles, Wisconsin and Michigan

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Bedrock geologic map of the Port Wing, Solon Springs, and parts of the Duluth and Sandstone 30 X 60 minute quadrangles, Wisconsin

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