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Nomenclature and correlation of lithologic subdivisions of the Jefferson and Three Forks Formations of southern Montana and northern Wyoming
The Jefferson Formation (upper Devonian) comprises a thick lower member and the Birdbear Member. The overlying Three Forks Formation (Devonian and Mississippian) comprises the Logan Gulch, Trident, and Sappington Members. These members are described at the classic type section of the Jefferson and Three Forks Formations near Logan, Mont., and their distribution in southern Montana and northern Wyoming is shown. The members are correlated with stratigraphic units adjoining parts of Montana. Idaho, Wyoming, North Dakota, and Canada.
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- http://id.worldcat.org/fast/940727
- http://experiment.worldcat.org/entity/work/data/2040194052#Topic/geology_wyoming
- http://experiment.worldcat.org/entity/work/data/2040194052#Event/from_230_to_570_million_years_ago
- http://experiment.worldcat.org/entity/work/data/2040194052#Topic/geology
- http://id.loc.gov/authorities/subjects/sh85054084
- http://id.worldcat.org/fast/940627
- http://experiment.worldcat.org/entity/work/data/2040194052#Topic/paleozoic_geologic_period
- http://id.worldcat.org/fast/1353937
- http://experiment.worldcat.org/entity/work/data/2040194052#Place/wyoming
- http://experiment.worldcat.org/entity/work/data/2040194052#Topic/geology_stratigraphic_paleozoic
- http://id.worldcat.org/fast/1204583
- http://experiment.worldcat.org/entity/work/data/2040194052#Place/montana
- http://experiment.worldcat.org/entity/work/data/2040194052#Topic/geology_montana
- http://experiment.worldcat.org/entity/work/data/2040194052#Topic/geology_stratigraphic
- http://id.loc.gov/authorities/subjects/sh85054105
- http://id.loc.gov/authorities/subjects/sh87003098
- http://experiment.worldcat.org/entity/work/data/2040194052#Topic/geology_nomenclature
- http://id.worldcat.org/fast/1207555
- http://id.loc.gov/authorities/subjects/sh85054047
http://schema.org/alternateName
- "Contributions to stratigraphy"@en
http://schema.org/description
- "The Jefferson Formation (upper Devonian) comprises a thick lower member and the Birdbear Member. The overlying Three Forks Formation (Devonian and Mississippian) comprises the Logan Gulch, Trident, and Sappington Members. These members are described at the classic type section of the Jefferson and Three Forks Formations near Logan, Mont., and their distribution in southern Montana and northern Wyoming is shown. The members are correlated with stratigraphic units adjoining parts of Montana. Idaho, Wyoming, North Dakota, and Canada."@en
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- "Terminology"@en
http://schema.org/name
- "Nomenclature and correlation of lithologic subdivisions of the Jefferson and Three Forks Formations of southern Montana and northern Wyoming"@en