U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database
Map showing publication footprint
  • Usage in publication:
    • Bessemer quartzite
    • Bessemer sandstone
  • Modifications:
    • Named
  • Dominant lithology:
    • Quartzite
    • Sandstone
  • AAPG geologic province:
    • Wisconsin arch
Publication:

Seaman, W.A., 1944, Summary of the geology of the Marquette iron range, IN Snelgrove, A.K., and others, Strategic minerals investigations in Marquette and Baraga Counties [Michigan], 1943: Michigan Geological Survey Progress Report, no. 10, p. 11-17., Prepared in cooperation with Michigan College of Mining and Technology


Summary:

Named as a formation in lower part of Sibley series. Probably named for town of Bessemer, Gogebic Co., northwestern MI (upper peninsula). Occurs in Houghton, Ontonagon, and Gogebic Cos. Consists of quartzite or sandstone. Is overlain by lava flows; cut by felsite and then by olivine diabase dikes. Age is Precambrian.

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


Map showing publication footprint
  • Usage in publication:
    • Bessemer Quartzite*
  • Modifications:
    • Revised
    • Areal extent
  • AAPG geologic province:
    • Wisconsin arch
Publication:

Hubbard, H.A., 1975, Lower Keweenawan volcanic rocks of Michigan and Wisconsin: U.S. Geological Survey Journal of Research, v. 3, no. 5, p. 529-541.


Summary:

Revised as Bessemer Quartzite [rank term Sandstone not used]. Exposures occur as small, sparse outcrops scattered from Mellen, WI, to east of Lake Gogebic, MI. Composed of well-cemented quartzite. Thickness is 300 ft (90 m). Unconformably overlies Tyler Formation. Age is Precambrian Y (lower Keweenawan).

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


Map showing publication footprint
  • Usage in publication:
    • Bessemer Quartzite*
  • Modifications:
    • Overview
  • AAPG geologic province:
    • Lake Superior region
Publication:

Morey, G.B., and Van Schmus, W.R., 1988, Correlation of Precambrian rocks of the Lake Superior region, United States, IN Harrison, J.E., and Peterman, Z.E., eds., Correlation of Precambrian rocks of the United States and Mexico: U.S. Geological Survey Professional Paper, 1241-F, p. F1-F31.


Summary:

Is present in northern part of MI and is one of the oldest Keweenawan [of Keweenawan Supergroup] rocks in the Lake Superior region. Part of quartz-rich sedimentary sequence unconformably underlying normally polarized volcanic rocks of Powder Mill Group. Correlation charts, geologic map. Is of Middle Proterozoic age.

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


Map showing publication footprint
  • Usage in publication:
    • Bessemer Quartzite*
  • Modifications:
    • Revised
    • Age modified
  • AAPG geologic province:
    • Wisconsin arch
Publication:

Cannon, W.F., and Nicholson, S.W., 1992, Revisions of stratigraphic nomenclature within the Keweenawan Supergroup of northern Michigan, IN Cannon, W.F., and Nicholson, S.W., Contributions to the geology and mineral resources of the Midcontinent Rift System: U.S. Geological Survey Bulletin, 1970-A, 8 p.


Summary:

Bessemer Quartzite assigned to Keweenawan Supergroup. Age is Middle Proterozoic. Report includes geologic map and correlation chart.

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


Search archives

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 ([ ]).

Accessibility FOIA Privacy Policies and Notices

USA Gov U.S. Department of the Interior | U.S. Geological Survey
Supported by the National Cooperative Geologic Mapping Program
Page Contact Information: Personnel
Page Last Modified: Thu 04 Apr 2024 03:49:15 PM MDT