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Geologic Units: Hinckley
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Map showing publication footprint
  • Usage in publication:
    • Hinckley sandrock
  • Modifications:
    • [Incidental mention]
  • AAPG geologic province:
    • Sioux uplift
Publication:

Winchell, N.H., 1886, Revision of the stratigraphy of the Cambrian in Minnesota, IN Winchell, N.H., State Geologist, The fourteenth annual report for the year 1885: Minnesota Geological and Natural History Survey Annual Report, no. 14, p. 325-337.


Summary:

Pg. 336-337. Hinckley sandrock (Potsdam?) is separated from overlying Dresbach sandrock by shales [which he both included and excluded from his St. Croix, and which he in 1888 named Dresbach shale.]

Source: US geologic names lexicon (USGS Bull. 896, p. 959-960).


Map showing publication footprint
  • Usage in publication:
    • Hinckley sandstone
  • Modifications:
    • Principal reference
  • Dominant lithology:
    • Sandstone
  • AAPG geologic province:
    • Sioux uplift
Publication:

Upham, Warren, 1888, The geology of Pine County, [Minnesota]; Chapter XXIV, IN Winchell, N.H., and Upham, Warren, The geology of Minnesota: Minnesota Geological and Natural History Survey Final Report, v. 2, p. 629-645.


Summary:

Pg. 639, 645, and map, pl. 55. Hinckley sandstone. The sandstone quarried at Hinckley is hard and compact medium-grained sandstone of light-buff color, nearly level in stratification. This sandstone occurs in bluffs of Kettle River. Overlies [so-called] Potsdam sandstone. [Age is pre-Cambrian (Keweenawan).]
[Type section: at Hinckley, in T. 41 N., R. 21 W., Pine Co., southeastern MN.]

Source: US geologic names lexicons (USGS Bull. 896, p. 959-960; USGS Bull. 1200, p. 1767).


Map showing publication footprint
  • Usage in publication:
    • Hinckley sandstone
  • Modifications:
    • Areal extent
  • AAPG geologic province:
    • Sioux uplift
Publication:

Winchell, N.H., 1899, The geology of Carlton County, [Minnesota]; Chapter I, IN Winchell, N.H., and others, The geology of Minnesota: Minnesota Geological and Natural History Survey Final Report, v. 4, p. 1-24.


Summary:

Pg. 16. Hinckley sandstone. White sandstones and conglomerates, varying to red, interbedded with much red shale. Thickness 1,000 feet. [Age is pre-Cambrian (Keweenawan).]

Source: US geologic names lexicon (USGS Bull. 896, p. 959-960).


Map showing publication footprint
  • Usage in publication:
    • Hinckley sandstone
  • Modifications:
    • Areal extent
  • AAPG geologic province:
    • Sioux uplift
Publication:

Winchell, N.H., 1901, [Preface; Map of Minnesota, 1900, showing the approximate areas of the geological systems below the drift], IN Winchell, N.H., and others, The geology of Minnesota; Geological atlas with synoptical descriptions: Minnesota Geological and Natural History Survey Final Report, v. 6, [unnumbered].


Summary:

Hinckley sandstone underlies Dresbach and passes down into Potsdam red sandstone [so-called]. [Mapped on atlas sheets of Carlton and McLeod Counties (where it is 381 feet thick), also Pine County.]

Source: US geologic names lexicon (USGS Bull. 896, p. 959-960).


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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 ([ ]).

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