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National Geologic Map Database
Map showing publication footprint
  • Usage in publication:
    • Magnolia member
  • Modifications:
    • Revised
  • AAPG geologic province:
    • Sioux uplift
Publication:

Sloan, R.E., 1956, Hidden Falls member of Platteville formation, Minnesota: American Association of Petroleum Geologists Bulletin, v. 40, no. 12, p. 2955-2956. [Available online, with subscription, from AAPG archives: http://www.aapg.org/datasystems or http://search.datapages.com]


Summary:

Hidden Falls member named the middle member (of 5) of Platteville formation in St. Paul area, Ramsey County, Minnesota, on the Sioux uplift. Hidden Falls overlies Mifflin member of Platteville and underlies Magnolia member of Platteville. Age not stated.

Source: GNU records (USGS DDS-6; Reston GNULEX).


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates published by U.S. Geological Survey authors.

"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).

Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).