Unconformity between the Triassic Dinwoody Formation and basal conglomerate of the Lower Cretaceous Kootenai Formation. Beaverhead County, Montana. nd.
Summary
Album caption: Unconformity between the Triassic Dinwoody Formation and basal conglomerate of the Lower Cretaceous Kootenai Formation. Location is north of Trapper Creek Road just west of confluence of Sucker Creek, 20 m above road level. Hammer is on unconformity, and plane of hammer is parallel to contact. Angular discordance is about 15 degrees; pebbles of Kootenai conglomerate fill local depressions of the unconformable surface developed in the Dinwoody. Published as figure 13.
Summary
Album caption: Unconformity between the Triassic Dinwoody Formation and basal conglomerate of the Lower Cretaceous Kootenai Formation. Location is north of Trapper Creek Road just west of confluence of Sucker Creek, 20 m above road level. Hammer is on unconformity, and plane of hammer is parallel to contact. Angular discordance is about 15 degrees; pebbles of Kootenai conglomerate fill local depressions of the unconformable surface developed in the Dinwoody.
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Related External Resources
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Bedrock geology of the Vipond Park 15-minute, Stine Mountain 7 1/2-minute, and Maurice Mountain 7 1/2-minute quadrangles, Pioneer Mountains, Beaverhead County, Montana. Geological Survey (U.S.) Bulletin 1625. 1988.
Available in the U.S. Geological Survey Denver Library Photographic Collection, Zen, E-An Collection.
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