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A Geoscience Digital Image Library

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TitleFining-upwards sequence and joint surface in metamoprhic graywacke of Thomson Formation, Carlton County, Minnesota
DescriptionFining-upwards sequence and joint surface in metamoprhic graywacke of the Proterozoic-age Thomson Formation, Carlton County, Minnesota.
ChronostratigraphyProterozoic
LithostratigraphyThomson Formation
Geologic provinceMidcontinent Rift
LocationUSA ▹ Minnesota ▹ Carlton. Near Thomson. Thomson Dam.
PhotographerJoseph Hartman. 1985.
CollectionJoseph Hartman P05594.
Key wordsThomson Formation
Tech details839 KB. Outcrop. Kodachrome, TIFF.
GeoDIL number2495
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