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Geologic Unit: Hawxby
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Map showing publication footprint
  • Usage in publication:
    • Hawxby shale member
  • Modifications:
    • Overview
Publication:

Moore, R.C., 1932, A reclassification of the Pennsylvanian system in the northern Midcontinent region, IN Carboniferous rocks of eastern Kansas, eastern Nebraska, and western Missouri: Kansas Geological Society Guidebook for the Annual Field Conference, August 28-September 3, 1932, no. 6, p. 79-98., See also "Modern classifications of the Pennsylvanian rocks of eastern Kansas and southeastern Nebraska," compiled by M.G. Wilmarth, Secretary of Committee on Geologic Names, USGS unpub. corr. chart, Oct. 1936, sheet 2


Summary:

Hawxby shale member of Admire shale of Wabaunsee group. Age is Late Pennsylvanian (Virgil). [Hawxby shale shown as underlying Falls City limestone and overlying Aspinwall limestone, all included in Admire shale. Origin of name not stated.]

Source: US geologic names lexicon (USGS Bull. 896, p. 927); GNC KS-NE Pennsylvanian Corr. Chart, sheet 2, Oct. 1936.


Map showing publication footprint
  • Usage in publication:
    • Hawxby shale formation
  • Modifications:
    • Revised
  • AAPG geologic province:
    • Forest City basin
Publication:

Condra, G.E., 1935, Geologic cross-section, Forest City, Missouri to south of Du Bois, Nebraska: Nebraska Geological Survey Paper, no. 8, 23 p., Issued late in 1935. See also USGS unpub. corr. charts of Pennsylvanian and Permian rocks of KS and NE, compiled by M.G. Wilmarth, Secretary of Committee on Geologic Names, Oct. 1936


Summary:

Pg. 9. Hawxby shale formation of Admire group. Light bluish-gray shale cut by thin-bladed material, 10 feet, underlain by 2.5 feet of bluish-gray and locally red shale with an argillaceous subzone. Underlies Falls City limestone formation and overlies Aspinwall limestone formation; all included in Admire group. Age is considered Permian (lower part of Big Blue).
[Origin of name not stated.]

Source: US geologic names lexicon (USGS Bull. 896, p. 927); GNC KS-NE Pennsylvanian Corr. Chart, sheet 2, Oct. 1936.


Map showing publication footprint
  • Usage in publication:
    • Hawxby shale
  • Modifications:
    • Age modified
Publication:

Moore, R.C., 1936, Stratigraphic classification of the Pennsylvanian rocks of Kansas: Kansas Geological Survey Bulletin, no. 22, 256 p., See also "Modern classifications of the Pennsylvanian rocks of eastern Kansas and southeastern Nebraska," compiled by M.G. Wilmarth, Secretary of Committee on Geologic Names, USGS unpub. corr. chart, Oct. 1936, sheet 2


Summary:

Hawxby shale of Admire group. Age is considered Permian (lower part of Big Blue). Transferred all beds above Brownville limestone to Permian.
[This change in Pennsylvanian-Permian boundary has not been considered by USGS for it publications [ca. 1938].
See "Modern classifications of the Pennsylvanian rocks of eastern Kansas and southeastern Nebraska," compiled by M.G. Wilmarth, Secretary of Committee on Geologic Names, USGS unpub. corr. chart, Oct. 1936, sheet 2.]

Source: US geologic names lexicon (USGS Bull. 896, p. 927); GNC KS-NE Pennsylvanian Corr. Chart, sheet 2, Oct. 1936.


Map showing publication footprint
  • Usage in publication:
    • Hawxby shale member
  • Modifications:
    • Principal reference
Publication:

Wilmarth, M.G., 1936, [Selected Geologic Names Committee remarks (ca. 1935-1938) on Carboniferous and Permian rocks of the Midcontinent], IN Wilmarth, M.G., 1938, Lexicon of geologic names of the United States (including Alaska): U.S. Geological Survey Bulletin, 896, pts. 1-2, 2396 p.


Summary:

E.C. Reed (Asst. State Geol. Nebraska), 1936 (letter dated Oct. 16) states type locality of Hawxby shale is Hawxby farm, in SE/4 sec. 7, T. 4 N., R. 15 E., Nemaha Co., southeastern NE, 5+/- mi west of Nemaha.

Source: US geologic names lexicon (USGS Bull. 896, p. 927).


Map showing publication footprint
  • Usage in publication:
    • Hawxby shale member
  • Modifications:
    • Revised
Publication:

Condra, G.E., and Reed, E.C., 1943, The geological section of Nebraska: Nebraska Geological Survey Bulletin, no. 14, 82 p., Revised 1959


Summary:

Pg. 37. Hawxby shale member of Chicago Mound formation. Member of Chicago Mound formation (new). Underlies Falls City member; overlies Aspinwall member. Thickness 10 to 12 feet. Age is Permian (Big Blue).

Source: US geologic names lexicon (USGS Bull. 1200, p. 1708-1709).


Map showing publication footprint
  • Usage in publication:
    • Hawxby shale member*
  • Modifications:
    • Revised
Publication:

Moore, R.C., and Mudge, M.R., 1956, Reclassification of some Lower Permian and Upper Pennsylvanian strata in northern Midcontinent, IN Geological notes: American Association of Petroleum Geologists Bulletin, v. 40, no. 9, p. 2271-2278. [Available online, with subscription, from AAPG archives: http://www.aapg.org/datasystems or http://search.datapages.com]


Summary:

Pg. 2273, 2274 (fig. 1). Hawxby shale member of Onaga shale. Reallocated to member status in Onaga shale (new). Overlies Aspinwall limestone member; underlies Falls City limestone. Age is Permian.

Source: US geologic names lexicon (USGS Bull. 1200, p. 1708-1709).


Map showing publication footprint
  • Usage in publication:
    • Hawxby Shale Member*
  • Modifications:
    • Areal extent
  • AAPG geologic province:
    • Chautauqua platform
    • Cherokee basin
    • Nemaha anticline
Publication:

Boardman, D.R., II, Wardlaw, B.R., and Nestell, M.K., 2009, Stratigraphy and conodont biostratigraphy of the uppermost Carboniferous and Lower Permian from the North American Midcontinent: Kansas Geological Survey Bulletin, no. 255, 253 p.


Summary:

Hawxby Shale Member of Onaga Shale of Admire Group. Overlies Aspinwall Limestone Member of Onaga and underlies Falls City Limestone of Admire. Consists of fossiliferous shale and mudstone (paleosols); locally includes limestone lens at top. Contains bryozoans, crinoids, brachiopods, and ADETOGNATHUS conodonts. Interpreted to be nearshore marine deposits. Age is Late Pennsylvanian (late Gzhelian; STREPTOGNATHODUS BELLUS conodont zone), based on stratigraphic position.
Described from measured sections in Chautauqua, Greenwood, and Pottawatomie Counties, eastern Kansas, and Osage County, northern Oklahoma. (Locs. 1, 2, 3, A12, A15, A26.)

Source: Publication.


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

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

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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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